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Finding the Fourth Proportional to 400,283.29, 552,300.51 and 239,106.79

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Solution

The fourth proportional to 400,283.29, 552,300.51 and 239,106.79 is: 329,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,283.29 : 552,300.51 = 239,106.79 : x
  2. Step 2: Convert to fraction form
    400,283.29/552,300.51 = 239,106.79/x
  3. Step 3: Cross multiply
    400,283.29x = 552,300.51 × 239,106.79
  4. Step 4: Simplify right side
    400,283.29x = 132,058,802,061.46
  5. Step 5: Solve for x
    x = 132,058,802,061.46/400,283.29
  6. Step 6: Final answer
    x = 329,913.35

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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.