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Finding the Fourth Proportional to 151,275.80, 226,913.70 and 130,280.60

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Solution

The fourth proportional to 151,275.80, 226,913.70 and 130,280.60 is: 195,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,275.80 : 226,913.70 = 130,280.60 : x
  2. Step 2: Convert to fraction form
    151,275.80/226,913.70 = 130,280.60/x
  3. Step 3: Cross multiply
    151,275.80x = 226,913.70 × 130,280.60
  4. Step 4: Simplify right side
    151,275.80x = 29,562,452,984.22
  5. Step 5: Solve for x
    x = 29,562,452,984.22/151,275.80
  6. Step 6: Final answer
    x = 195,420.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.