Home / 482,181.48-723,320.82-127,220.04

Finding the Fourth Proportional to 482,181.48, 723,320.82 and 127,220.04

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Solution

The fourth proportional to 482,181.48, 723,320.82 and 127,220.04 is: 190,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,181.48 : 723,320.82 = 127,220.04 : x
  2. Step 2: Convert to fraction form
    482,181.48/723,320.82 = 127,220.04/x
  3. Step 3: Cross multiply
    482,181.48x = 723,320.82 × 127,220.04
  4. Step 4: Simplify right side
    482,181.48x = 92,020,903,653.23
  5. Step 5: Solve for x
    x = 92,020,903,653.23/482,181.48
  6. Step 6: Final answer
    x = 190,842.88

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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.