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Finding the Fourth Proportional to 229,510.50, 316,717.65 and 127,535.64

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Solution

The fourth proportional to 229,510.50, 316,717.65 and 127,535.64 is: 175,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,510.50 : 316,717.65 = 127,535.64 : x
  2. Step 2: Convert to fraction form
    229,510.50/316,717.65 = 127,535.64/x
  3. Step 3: Cross multiply
    229,510.50x = 316,717.65 × 127,535.64
  4. Step 4: Simplify right side
    229,510.50x = 40,392,788,192.05
  5. Step 5: Solve for x
    x = 40,392,788,192.05/229,510.50
  6. Step 6: Final answer
    x = 175,995.38

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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.