Home / 229,299.09-344,407.01-138,296.40

Finding the Fourth Proportional to 229,299.09, 344,407.01 and 138,296.40

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Solution

The fourth proportional to 229,299.09, 344,407.01 and 138,296.40 is: 207,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,299.09 : 344,407.01 = 138,296.40 : x
  2. Step 2: Convert to fraction form
    229,299.09/344,407.01 = 138,296.40/x
  3. Step 3: Cross multiply
    229,299.09x = 344,407.01 × 138,296.40
  4. Step 4: Simplify right side
    229,299.09x = 47,630,247,634.76
  5. Step 5: Solve for x
    x = 47,630,247,634.76/229,299.09
  6. Step 6: Final answer
    x = 207,721.05

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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.