Home / 452,451.12-678,564.60-152,925.08

Finding the Fourth Proportional to 452,451.12, 678,564.60 and 152,925.08

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Solution

The fourth proportional to 452,451.12, 678,564.60 and 152,925.08 is: 229,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,451.12 : 678,564.60 = 152,925.08 : x
  2. Step 2: Convert to fraction form
    452,451.12/678,564.60 = 152,925.08/x
  3. Step 3: Cross multiply
    452,451.12x = 678,564.60 × 152,925.08
  4. Step 4: Simplify right side
    452,451.12x = 103,769,545,740.17
  5. Step 5: Solve for x
    x = 103,769,545,740.17/452,451.12
  6. Step 6: Final answer
    x = 229,349.74

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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.