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Finding the Fourth Proportional to 372,595.60, 559,039.20 and 135,962.20

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Solution

The fourth proportional to 372,595.60, 559,039.20 and 135,962.20 is: 203,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,595.60 : 559,039.20 = 135,962.20 : x
  2. Step 2: Convert to fraction form
    372,595.60/559,039.20 = 135,962.20/x
  3. Step 3: Cross multiply
    372,595.60x = 559,039.20 × 135,962.20
  4. Step 4: Simplify right side
    372,595.60x = 76,008,199,518.24
  5. Step 5: Solve for x
    x = 76,008,199,518.24/372,595.60
  6. Step 6: Final answer
    x = 203,996.50

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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.