Home / 231,333.10-346,999.65-142,686.70

Finding the Fourth Proportional to 231,333.10, 346,999.65 and 142,686.70

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Solution

The fourth proportional to 231,333.10, 346,999.65 and 142,686.70 is: 214,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,333.10 : 346,999.65 = 142,686.70 : x
  2. Step 2: Convert to fraction form
    231,333.10/346,999.65 = 142,686.70/x
  3. Step 3: Cross multiply
    231,333.10x = 346,999.65 × 142,686.70
  4. Step 4: Simplify right side
    231,333.10x = 49,512,234,959.66
  5. Step 5: Solve for x
    x = 49,512,234,959.66/231,333.10
  6. Step 6: Final answer
    x = 214,030.05

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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.