Home / 228,946.40-315,964.95-127,004.73

Finding the Fourth Proportional to 228,946.40, 315,964.95 and 127,004.73

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Solution

The fourth proportional to 228,946.40, 315,964.95 and 127,004.73 is: 175,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.40 : 315,964.95 = 127,004.73 : x
  2. Step 2: Convert to fraction form
    228,946.40/315,964.95 = 127,004.73/x
  3. Step 3: Cross multiply
    228,946.40x = 315,964.95 × 127,004.73
  4. Step 4: Simplify right side
    228,946.40x = 40,129,040,949.37
  5. Step 5: Solve for x
    x = 40,129,040,949.37/228,946.40
  6. Step 6: Final answer
    x = 175,277.02

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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.