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Finding the Fourth Proportional to 313,591.46, 432,768.11 and 175,772.88

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Solution

The fourth proportional to 313,591.46, 432,768.11 and 175,772.88 is: 242,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,591.46 : 432,768.11 = 175,772.88 : x
  2. Step 2: Convert to fraction form
    313,591.46/432,768.11 = 175,772.88/x
  3. Step 3: Cross multiply
    313,591.46x = 432,768.11 × 175,772.88
  4. Step 4: Simplify right side
    313,591.46x = 76,068,896,187.99
  5. Step 5: Solve for x
    x = 76,068,896,187.99/313,591.46
  6. Step 6: Final answer
    x = 242,573.24

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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.