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Finding the Fourth Proportional to 426,451.69, 588,487.88 and 235,460.98

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Solution

The fourth proportional to 426,451.69, 588,487.88 and 235,460.98 is: 324,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,451.69 : 588,487.88 = 235,460.98 : x
  2. Step 2: Convert to fraction form
    426,451.69/588,487.88 = 235,460.98/x
  3. Step 3: Cross multiply
    426,451.69x = 588,487.88 × 235,460.98
  4. Step 4: Simplify right side
    426,451.69x = 138,565,930,956.94
  5. Step 5: Solve for x
    x = 138,565,930,956.94/426,451.69
  6. Step 6: Final answer
    x = 324,927.62

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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.