Home / 372,217.60-557,710.80-214,170.40

Finding the Fourth Proportional to 372,217.60, 557,710.80 and 214,170.40

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Solution

The fourth proportional to 372,217.60, 557,710.80 and 214,170.40 is: 320,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,217.60 : 557,710.80 = 214,170.40 : x
  2. Step 2: Convert to fraction form
    372,217.60/557,710.80 = 214,170.40/x
  3. Step 3: Cross multiply
    372,217.60x = 557,710.80 × 214,170.40
  4. Step 4: Simplify right side
    372,217.60x = 119,445,145,120.32
  5. Step 5: Solve for x
    x = 119,445,145,120.32/372,217.60
  6. Step 6: Final answer
    x = 320,901.39

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1.5x scale

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.