Home / 229,389.60-316,547.39-127,422.11

Finding the Fourth Proportional to 229,389.60, 316,547.39 and 127,422.11

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Solution

The fourth proportional to 229,389.60, 316,547.39 and 127,422.11 is: 175,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,389.60 : 316,547.39 = 127,422.11 : x
  2. Step 2: Convert to fraction form
    229,389.60/316,547.39 = 127,422.11/x
  3. Step 3: Cross multiply
    229,389.60x = 316,547.39 × 127,422.11
  4. Step 4: Simplify right side
    229,389.60x = 40,335,137,458.72
  5. Step 5: Solve for x
    x = 40,335,137,458.72/229,389.60
  6. Step 6: Final answer
    x = 175,836.82

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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.