Home / 389,582.70-584,374.05-223,233.90

Finding the Fourth Proportional to 389,582.70, 584,374.05 and 223,233.90

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Solution

The fourth proportional to 389,582.70, 584,374.05 and 223,233.90 is: 334,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,582.70 : 584,374.05 = 223,233.90 : x
  2. Step 2: Convert to fraction form
    389,582.70/584,374.05 = 223,233.90/x
  3. Step 3: Cross multiply
    389,582.70x = 584,374.05 × 223,233.90
  4. Step 4: Simplify right side
    389,582.70x = 130,452,098,240.30
  5. Step 5: Solve for x
    x = 130,452,098,240.30/389,582.70
  6. Step 6: Final answer
    x = 334,850.85

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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.