Home / 388,595.15-582,971.30-163,956.14

Finding the Fourth Proportional to 388,595.15, 582,971.30 and 163,956.14

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Solution

The fourth proportional to 388,595.15, 582,971.30 and 163,956.14 is: 245,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,595.15 : 582,971.30 = 163,956.14 : x
  2. Step 2: Convert to fraction form
    388,595.15/582,971.30 = 163,956.14/x
  3. Step 3: Cross multiply
    388,595.15x = 582,971.30 × 163,956.14
  4. Step 4: Simplify right side
    388,595.15x = 95,581,724,078.78
  5. Step 5: Solve for x
    x = 95,581,724,078.78/388,595.15
  6. Step 6: Final answer
    x = 245,967.36

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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.