Home / 385,984.24-579,141.60-161,397.16

Finding the Fourth Proportional to 385,984.24, 579,141.60 and 161,397.16

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Solution

The fourth proportional to 385,984.24, 579,141.60 and 161,397.16 is: 242,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,984.24 : 579,141.60 = 161,397.16 : x
  2. Step 2: Convert to fraction form
    385,984.24/579,141.60 = 161,397.16/x
  3. Step 3: Cross multiply
    385,984.24x = 579,141.60 × 161,397.16
  4. Step 4: Simplify right side
    385,984.24x = 93,471,809,477.86
  5. Step 5: Solve for x
    x = 93,471,809,477.86/385,984.24
  6. Step 6: Final answer
    x = 242,164.83

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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.