Home / 235,281.12-352,937.04-172,289.76

Finding the Fourth Proportional to 235,281.12, 352,937.04 and 172,289.76

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Solution

The fourth proportional to 235,281.12, 352,937.04 and 172,289.76 is: 258,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,281.12 : 352,937.04 = 172,289.76 : x
  2. Step 2: Convert to fraction form
    235,281.12/352,937.04 = 172,289.76/x
  3. Step 3: Cross multiply
    235,281.12x = 352,937.04 × 172,289.76
  4. Step 4: Simplify right side
    235,281.12x = 60,807,437,916.71
  5. Step 5: Solve for x
    x = 60,807,437,916.71/235,281.12
  6. Step 6: Final answer
    x = 258,445.89

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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.