Home / 386,060.03-578,892.60-161,359.15

Finding the Fourth Proportional to 386,060.03, 578,892.60 and 161,359.15

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Solution

The fourth proportional to 386,060.03, 578,892.60 and 161,359.15 is: 241,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,060.03 : 578,892.60 = 161,359.15 : x
  2. Step 2: Convert to fraction form
    386,060.03/578,892.60 = 161,359.15/x
  3. Step 3: Cross multiply
    386,060.03x = 578,892.60 × 161,359.15
  4. Step 4: Simplify right side
    386,060.03x = 93,409,617,877.29
  5. Step 5: Solve for x
    x = 93,409,617,877.29/386,060.03
  6. Step 6: Final answer
    x = 241,956.20

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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.