Home / 400,302.32-552,362.65-239,123.16

Finding the Fourth Proportional to 400,302.32, 552,362.65 and 239,123.16

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Solution

The fourth proportional to 400,302.32, 552,362.65 and 239,123.16 is: 329,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,302.32 : 552,362.65 = 239,123.16 : x
  2. Step 2: Convert to fraction form
    400,302.32/552,362.65 = 239,123.16/x
  3. Step 3: Cross multiply
    400,302.32x = 552,362.65 × 239,123.16
  4. Step 4: Simplify right side
    400,302.32x = 132,082,700,355.26
  5. Step 5: Solve for x
    x = 132,082,700,355.26/400,302.32
  6. Step 6: Final answer
    x = 329,957.37

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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.