Home / 482,200.70-723,335.67-127,210.50

Finding the Fourth Proportional to 482,200.70, 723,335.67 and 127,210.50

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Solution

The fourth proportional to 482,200.70, 723,335.67 and 127,210.50 is: 190,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,200.70 : 723,335.67 = 127,210.50 : x
  2. Step 2: Convert to fraction form
    482,200.70/723,335.67 = 127,210.50/x
  3. Step 3: Cross multiply
    482,200.70x = 723,335.67 × 127,210.50
  4. Step 4: Simplify right side
    482,200.70x = 92,015,892,248.54
  5. Step 5: Solve for x
    x = 92,015,892,248.54/482,200.70
  6. Step 6: Final answer
    x = 190,824.89

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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.