Home / 228,946.49-315,965.55-127,004.79

Finding the Fourth Proportional to 228,946.49, 315,965.55 and 127,004.79

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Solution

The fourth proportional to 228,946.49, 315,965.55 and 127,004.79 is: 175,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.49 : 315,965.55 = 127,004.79 : x
  2. Step 2: Convert to fraction form
    228,946.49/315,965.55 = 127,004.79/x
  3. Step 3: Cross multiply
    228,946.49x = 315,965.55 × 127,004.79
  4. Step 4: Simplify right side
    228,946.49x = 40,129,138,324.98
  5. Step 5: Solve for x
    x = 40,129,138,324.98/228,946.49
  6. Step 6: Final answer
    x = 175,277.37

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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.