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Finding the Fourth Proportional to 311,523, 429,901.41 and 168,282.99

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Solution

The fourth proportional to 311,523, 429,901.41 and 168,282.99 is: 232,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,523 : 429,901.41 = 168,282.99 : x
  2. Step 2: Convert to fraction form
    311,523/429,901.41 = 168,282.99/x
  3. Step 3: Cross multiply
    311,523x = 429,901.41 × 168,282.99
  4. Step 4: Simplify right side
    311,523x = 72,345,094,680.02
  5. Step 5: Solve for x
    x = 72,345,094,680.02/311,523
  6. Step 6: Final answer
    x = 232,230.35

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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.