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Finding the Fourth Proportional to 202,555.79, 279,470.13 and 116,510.30

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Solution

The fourth proportional to 202,555.79, 279,470.13 and 116,510.30 is: 160,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,555.79 : 279,470.13 = 116,510.30 : x
  2. Step 2: Convert to fraction form
    202,555.79/279,470.13 = 116,510.30/x
  3. Step 3: Cross multiply
    202,555.79x = 279,470.13 × 116,510.30
  4. Step 4: Simplify right side
    202,555.79x = 32,561,148,687.34
  5. Step 5: Solve for x
    x = 32,561,148,687.34/202,555.79
  6. Step 6: Final answer
    x = 160,751.51

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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.