Home / 259,621.60-358,280.40-152,255.20

Finding the Fourth Proportional to 259,621.60, 358,280.40 and 152,255.20

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Solution

The fourth proportional to 259,621.60, 358,280.40 and 152,255.20 is: 210,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,621.60 : 358,280.40 = 152,255.20 : x
  2. Step 2: Convert to fraction form
    259,621.60/358,280.40 = 152,255.20/x
  3. Step 3: Cross multiply
    259,621.60x = 358,280.40 × 152,255.20
  4. Step 4: Simplify right side
    259,621.60x = 54,550,053,958.08
  5. Step 5: Solve for x
    x = 54,550,053,958.08/259,621.60
  6. Step 6: Final answer
    x = 210,113.70

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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.