Home / 347,154.10-520,731.15-97,836.10

Finding the Fourth Proportional to 347,154.10, 520,731.15 and 97,836.10

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Solution

The fourth proportional to 347,154.10, 520,731.15 and 97,836.10 is: 146,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,154.10 : 520,731.15 = 97,836.10 : x
  2. Step 2: Convert to fraction form
    347,154.10/520,731.15 = 97,836.10/x
  3. Step 3: Cross multiply
    347,154.10x = 520,731.15 × 97,836.10
  4. Step 4: Simplify right side
    347,154.10x = 50,946,304,864.52
  5. Step 5: Solve for x
    x = 50,946,304,864.52/347,154.10
  6. Step 6: Final answer
    x = 146,754.15

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1.5x scale

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.