Home / 372,132.60-557,583.30-214,085.40

Finding the Fourth Proportional to 372,132.60, 557,583.30 and 214,085.40

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Solution

The fourth proportional to 372,132.60, 557,583.30 and 214,085.40 is: 320,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,132.60 : 557,583.30 = 214,085.40 : x
  2. Step 2: Convert to fraction form
    372,132.60/557,583.30 = 214,085.40/x
  3. Step 3: Cross multiply
    372,132.60x = 557,583.30 × 214,085.40
  4. Step 4: Simplify right side
    372,132.60x = 119,370,443,813.82
  5. Step 5: Solve for x
    x = 119,370,443,813.82/372,132.60
  6. Step 6: Final answer
    x = 320,773.95

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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.