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Finding the Fourth Proportional to 286,316.61, 429,474.44 and 73,084.49

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Solution

The fourth proportional to 286,316.61, 429,474.44 and 73,084.49 is: 109,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,316.61 : 429,474.44 = 73,084.49 : x
  2. Step 2: Convert to fraction form
    286,316.61/429,474.44 = 73,084.49/x
  3. Step 3: Cross multiply
    286,316.61x = 429,474.44 × 73,084.49
  4. Step 4: Simplify right side
    286,316.61x = 31,387,920,061.30
  5. Step 5: Solve for x
    x = 31,387,920,061.30/286,316.61
  6. Step 6: Final answer
    x = 109,626.61

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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.