Home / 328,774.13-492,764.19-160,041.61

Finding the Fourth Proportional to 328,774.13, 492,764.19 and 160,041.61

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Solution

The fourth proportional to 328,774.13, 492,764.19 and 160,041.61 is: 239,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,774.13 : 492,764.19 = 160,041.61 : x
  2. Step 2: Convert to fraction form
    328,774.13/492,764.19 = 160,041.61/x
  3. Step 3: Cross multiply
    328,774.13x = 492,764.19 × 160,041.61
  4. Step 4: Simplify right side
    328,774.13x = 78,862,774,317.95
  5. Step 5: Solve for x
    x = 78,862,774,317.95/328,774.13
  6. Step 6: Final answer
    x = 239,869.16

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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.