Home / 208,541.30-312,836.55-156,282.93

Finding the Fourth Proportional to 208,541.30, 312,836.55 and 156,282.93

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Solution

The fourth proportional to 208,541.30, 312,836.55 and 156,282.93 is: 234,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,541.30 : 312,836.55 = 156,282.93 : x
  2. Step 2: Convert to fraction form
    208,541.30/312,836.55 = 156,282.93/x
  3. Step 3: Cross multiply
    208,541.30x = 312,836.55 × 156,282.93
  4. Step 4: Simplify right side
    208,541.30x = 48,891,012,645.09
  5. Step 5: Solve for x
    x = 48,891,012,645.09/208,541.30
  6. Step 6: Final answer
    x = 234,442.84

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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.