Home / 388,673.28-582,966.72-104,387.76

Finding the Fourth Proportional to 388,673.28, 582,966.72 and 104,387.76

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Solution

The fourth proportional to 388,673.28, 582,966.72 and 104,387.76 is: 156,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,673.28 : 582,966.72 = 104,387.76 : x
  2. Step 2: Convert to fraction form
    388,673.28/582,966.72 = 104,387.76/x
  3. Step 3: Cross multiply
    388,673.28x = 582,966.72 × 104,387.76
  4. Step 4: Simplify right side
    388,673.28x = 60,854,590,055.35
  5. Step 5: Solve for x
    x = 60,854,590,055.35/388,673.28
  6. Step 6: Final answer
    x = 156,570.04

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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.