Home / 345,574.08-517,397.76-176,731.20

Finding the Fourth Proportional to 345,574.08, 517,397.76 and 176,731.20

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Solution

The fourth proportional to 345,574.08, 517,397.76 and 176,731.20 is: 264,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,574.08 : 517,397.76 = 176,731.20 : x
  2. Step 2: Convert to fraction form
    345,574.08/517,397.76 = 176,731.20/x
  3. Step 3: Cross multiply
    345,574.08x = 517,397.76 × 176,731.20
  4. Step 4: Simplify right side
    345,574.08x = 91,440,327,002.11
  5. Step 5: Solve for x
    x = 91,440,327,002.11/345,574.08
  6. Step 6: Final answer
    x = 264,604.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.