Home / 228,946.62-315,947.26-126,981.60

Finding the Fourth Proportional to 228,946.62, 315,947.26 and 126,981.60

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Solution

The fourth proportional to 228,946.62, 315,947.26 and 126,981.60 is: 175,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.62 : 315,947.26 = 126,981.60 : x
  2. Step 2: Convert to fraction form
    228,946.62/315,947.26 = 126,981.60/x
  3. Step 3: Cross multiply
    228,946.62x = 315,947.26 × 126,981.60
  4. Step 4: Simplify right side
    228,946.62x = 40,119,488,590.42
  5. Step 5: Solve for x
    x = 40,119,488,590.42/228,946.62
  6. Step 6: Final answer
    x = 175,235.12

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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.