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Finding the Fourth Proportional to 452,451.39, 678,564.95 and 152,925.32

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Solution

The fourth proportional to 452,451.39, 678,564.95 and 152,925.32 is: 229,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,451.39 : 678,564.95 = 152,925.32 : x
  2. Step 2: Convert to fraction form
    452,451.39/678,564.95 = 152,925.32/x
  3. Step 3: Cross multiply
    452,451.39x = 678,564.95 × 152,925.32
  4. Step 4: Simplify right side
    452,451.39x = 103,769,757,962.08
  5. Step 5: Solve for x
    x = 103,769,757,962.08/452,451.39
  6. Step 6: Final answer
    x = 229,350.07

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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.