Home / 152,690.40-229,057.20-47,498.40

Finding the Fourth Proportional to 152,690.40, 229,057.20 and 47,498.40

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Solution

The fourth proportional to 152,690.40, 229,057.20 and 47,498.40 is: 71,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,690.40 : 229,057.20 = 47,498.40 : x
  2. Step 2: Convert to fraction form
    152,690.40/229,057.20 = 47,498.40/x
  3. Step 3: Cross multiply
    152,690.40x = 229,057.20 × 47,498.40
  4. Step 4: Simplify right side
    152,690.40x = 10,879,850,508.48
  5. Step 5: Solve for x
    x = 10,879,850,508.48/152,690.40
  6. Step 6: Final answer
    x = 71,254.32

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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.