Home / 442,217.60-663,326.40-146,729.60

Finding the Fourth Proportional to 442,217.60, 663,326.40 and 146,729.60

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Solution

The fourth proportional to 442,217.60, 663,326.40 and 146,729.60 is: 220,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,217.60 : 663,326.40 = 146,729.60 : x
  2. Step 2: Convert to fraction form
    442,217.60/663,326.40 = 146,729.60/x
  3. Step 3: Cross multiply
    442,217.60x = 663,326.40 × 146,729.60
  4. Step 4: Simplify right side
    442,217.60x = 97,329,617,341.44
  5. Step 5: Solve for x
    x = 97,329,617,341.44/442,217.60
  6. Step 6: Final answer
    x = 220,094.40

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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.