Home / 347,746.20-521,813.70-148,032.60

Finding the Fourth Proportional to 347,746.20, 521,813.70 and 148,032.60

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Solution

The fourth proportional to 347,746.20, 521,813.70 and 148,032.60 is: 222,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,746.20 : 521,813.70 = 148,032.60 : x
  2. Step 2: Convert to fraction form
    347,746.20/521,813.70 = 148,032.60/x
  3. Step 3: Cross multiply
    347,746.20x = 521,813.70 × 148,032.60
  4. Step 4: Simplify right side
    347,746.20x = 77,245,438,726.62
  5. Step 5: Solve for x
    x = 77,245,438,726.62/347,746.20
  6. Step 6: Final answer
    x = 222,131.65

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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.