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Finding the Fourth Proportional to 467,026.60, 700,442.70 and 129,980.20

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Solution

The fourth proportional to 467,026.60, 700,442.70 and 129,980.20 is: 194,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,026.60 : 700,442.70 = 129,980.20 : x
  2. Step 2: Convert to fraction form
    467,026.60/700,442.70 = 129,980.20/x
  3. Step 3: Cross multiply
    467,026.60x = 700,442.70 × 129,980.20
  4. Step 4: Simplify right side
    467,026.60x = 91,043,682,234.54
  5. Step 5: Solve for x
    x = 91,043,682,234.54/467,026.60
  6. Step 6: Final answer
    x = 194,943.25

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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.