Home / 229,222.91-316,365.35-127,280.97

Finding the Fourth Proportional to 229,222.91, 316,365.35 and 127,280.97

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Solution

The fourth proportional to 229,222.91, 316,365.35 and 127,280.97 is: 175,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,222.91 : 316,365.35 = 127,280.97 : x
  2. Step 2: Convert to fraction form
    229,222.91/316,365.35 = 127,280.97/x
  3. Step 3: Cross multiply
    229,222.91x = 316,365.35 × 127,280.97
  4. Step 4: Simplify right side
    229,222.91x = 40,267,287,985.98
  5. Step 5: Solve for x
    x = 40,267,287,985.98/229,222.91
  6. Step 6: Final answer
    x = 175,668.69

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1.5x scale

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.