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Finding the Fourth Proportional to 436,587.68, 654,990.48 and 152,282.32

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Solution

The fourth proportional to 436,587.68, 654,990.48 and 152,282.32 is: 228,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,587.68 : 654,990.48 = 152,282.32 : x
  2. Step 2: Convert to fraction form
    436,587.68/654,990.48 = 152,282.32/x
  3. Step 3: Cross multiply
    436,587.68x = 654,990.48 × 152,282.32
  4. Step 4: Simplify right side
    436,587.68x = 99,743,468,234.84
  5. Step 5: Solve for x
    x = 99,743,468,234.84/436,587.68
  6. Step 6: Final answer
    x = 228,461.48

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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.