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Finding the Fourth Proportional to 370,077.62, 510,711.35 and 217,118.52

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Solution

The fourth proportional to 370,077.62, 510,711.35 and 217,118.52 is: 299,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,077.62 : 510,711.35 = 217,118.52 : x
  2. Step 2: Convert to fraction form
    370,077.62/510,711.35 = 217,118.52/x
  3. Step 3: Cross multiply
    370,077.62x = 510,711.35 × 217,118.52
  4. Step 4: Simplify right side
    370,077.62x = 110,884,891,373.61
  5. Step 5: Solve for x
    x = 110,884,891,373.61/370,077.62
  6. Step 6: Final answer
    x = 299,626.04

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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.