Home / 229,236.87-316,349.64-127,264.35

Finding the Fourth Proportional to 229,236.87, 316,349.64 and 127,264.35

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Solution

The fourth proportional to 229,236.87, 316,349.64 and 127,264.35 is: 175,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,236.87 : 316,349.64 = 127,264.35 : x
  2. Step 2: Convert to fraction form
    229,236.87/316,349.64 = 127,264.35/x
  3. Step 3: Cross multiply
    229,236.87x = 316,349.64 × 127,264.35
  4. Step 4: Simplify right side
    229,236.87x = 40,260,031,307.33
  5. Step 5: Solve for x
    x = 40,260,031,307.33/229,236.87
  6. Step 6: Final answer
    x = 175,626.33

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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.