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Finding the Fourth Proportional to 311,482.17, 429,816.15 and 175,493.70

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Solution

The fourth proportional to 311,482.17, 429,816.15 and 175,493.70 is: 242,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,482.17 : 429,816.15 = 175,493.70 : x
  2. Step 2: Convert to fraction form
    311,482.17/429,816.15 = 175,493.70/x
  3. Step 3: Cross multiply
    311,482.17x = 429,816.15 × 175,493.70
  4. Step 4: Simplify right side
    311,482.17x = 75,430,026,483.26
  5. Step 5: Solve for x
    x = 75,430,026,483.26/311,482.17
  6. Step 6: Final answer
    x = 242,164.83

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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.