Home / 229,746.28-316,828.74-149,143.72

Finding the Fourth Proportional to 229,746.28, 316,828.74 and 149,143.72

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Solution

The fourth proportional to 229,746.28, 316,828.74 and 149,143.72 is: 205,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,746.28 : 316,828.74 = 149,143.72 : x
  2. Step 2: Convert to fraction form
    229,746.28/316,828.74 = 149,143.72/x
  3. Step 3: Cross multiply
    229,746.28x = 316,828.74 × 149,143.72
  4. Step 4: Simplify right side
    229,746.28x = 47,253,016,886.51
  5. Step 5: Solve for x
    x = 47,253,016,886.51/229,746.28
  6. Step 6: Final answer
    x = 205,674.79

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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.