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Finding the Fourth Proportional to 338,240.68, 507,304.32 and 113,575.84

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Solution

The fourth proportional to 338,240.68, 507,304.32 and 113,575.84 is: 170,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,240.68 : 507,304.32 = 113,575.84 : x
  2. Step 2: Convert to fraction form
    338,240.68/507,304.32 = 113,575.84/x
  3. Step 3: Cross multiply
    338,240.68x = 507,304.32 × 113,575.84
  4. Step 4: Simplify right side
    338,240.68x = 57,617,514,279.63
  5. Step 5: Solve for x
    x = 57,617,514,279.63/338,240.68
  6. Step 6: Final answer
    x = 170,344.72

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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.