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Finding the Fourth Proportional to 486,673.40, 730,010.06 and 154,249.40

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Solution

The fourth proportional to 486,673.40, 730,010.06 and 154,249.40 is: 231,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,673.40 : 730,010.06 = 154,249.40 : x
  2. Step 2: Convert to fraction form
    486,673.40/730,010.06 = 154,249.40/x
  3. Step 3: Cross multiply
    486,673.40x = 730,010.06 × 154,249.40
  4. Step 4: Simplify right side
    486,673.40x = 112,603,613,748.96
  5. Step 5: Solve for x
    x = 112,603,613,748.96/486,673.40
  6. Step 6: Final answer
    x = 231,374.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.