Home / 231,077.80-346,875.90-178,719.40

Finding the Fourth Proportional to 231,077.80, 346,875.90 and 178,719.40

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Solution

The fourth proportional to 231,077.80, 346,875.90 and 178,719.40 is: 268,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,077.80 : 346,875.90 = 178,719.40 : x
  2. Step 2: Convert to fraction form
    231,077.80/346,875.90 = 178,719.40/x
  3. Step 3: Cross multiply
    231,077.80x = 346,875.90 × 178,719.40
  4. Step 4: Simplify right side
    231,077.80x = 61,993,452,722.46
  5. Step 5: Solve for x
    x = 61,993,452,722.46/231,077.80
  6. Step 6: Final answer
    x = 268,279.57

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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.