Home / 228,591.06-315,460.78-130,472.35

Finding the Fourth Proportional to 228,591.06, 315,460.78 and 130,472.35

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Solution

The fourth proportional to 228,591.06, 315,460.78 and 130,472.35 is: 180,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,591.06 : 315,460.78 = 130,472.35 : x
  2. Step 2: Convert to fraction form
    228,591.06/315,460.78 = 130,472.35/x
  3. Step 3: Cross multiply
    228,591.06x = 315,460.78 × 130,472.35
  4. Step 4: Simplify right side
    228,591.06x = 41,158,909,299.43
  5. Step 5: Solve for x
    x = 41,158,909,299.43/228,591.06
  6. Step 6: Final answer
    x = 180,054.76

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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.