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Finding the Fourth Proportional to 290,297.82, 400,610.70 and 162,973.65

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Solution

The fourth proportional to 290,297.82, 400,610.70 and 162,973.65 is: 224,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,297.82 : 400,610.70 = 162,973.65 : x
  2. Step 2: Convert to fraction form
    290,297.82/400,610.70 = 162,973.65/x
  3. Step 3: Cross multiply
    290,297.82x = 400,610.70 × 162,973.65
  4. Step 4: Simplify right side
    290,297.82x = 65,288,988,008.06
  5. Step 5: Solve for x
    x = 65,288,988,008.06/290,297.82
  6. Step 6: Final answer
    x = 224,903.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.