Home / 372,901.20-559,424.70-148,223.40

Finding the Fourth Proportional to 372,901.20, 559,424.70 and 148,223.40

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Solution

The fourth proportional to 372,901.20, 559,424.70 and 148,223.40 is: 222,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,901.20 : 559,424.70 = 148,223.40 : x
  2. Step 2: Convert to fraction form
    372,901.20/559,424.70 = 148,223.40/x
  3. Step 3: Cross multiply
    372,901.20x = 559,424.70 × 148,223.40
  4. Step 4: Simplify right side
    372,901.20x = 82,919,831,077.98
  5. Step 5: Solve for x
    x = 82,919,831,077.98/372,901.20
  6. Step 6: Final answer
    x = 222,364.08

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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.