Home / 228,566.52-315,454.86-127,971

Finding the Fourth Proportional to 228,566.52, 315,454.86 and 127,971

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Solution

The fourth proportional to 228,566.52, 315,454.86 and 127,971 is: 176,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,566.52 : 315,454.86 = 127,971 : x
  2. Step 2: Convert to fraction form
    228,566.52/315,454.86 = 127,971/x
  3. Step 3: Cross multiply
    228,566.52x = 315,454.86 × 127,971
  4. Step 4: Simplify right side
    228,566.52x = 40,369,073,889.06
  5. Step 5: Solve for x
    x = 40,369,073,889.06/228,566.52
  6. Step 6: Final answer
    x = 176,618.49

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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.