Home / 229,877.67-317,051.40-149,331.15

Finding the Fourth Proportional to 229,877.67, 317,051.40 and 149,331.15

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Solution

The fourth proportional to 229,877.67, 317,051.40 and 149,331.15 is: 205,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,877.67 : 317,051.40 = 149,331.15 : x
  2. Step 2: Convert to fraction form
    229,877.67/317,051.40 = 149,331.15/x
  3. Step 3: Cross multiply
    229,877.67x = 317,051.40 × 149,331.15
  4. Step 4: Simplify right side
    229,877.67x = 47,345,650,171.11
  5. Step 5: Solve for x
    x = 47,345,650,171.11/229,877.67
  6. Step 6: Final answer
    x = 205,960.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.