Home / 462,446.45-693,669.68-130,022.45

Finding the Fourth Proportional to 462,446.45, 693,669.68 and 130,022.45

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Solution

The fourth proportional to 462,446.45, 693,669.68 and 130,022.45 is: 195,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,446.45 : 693,669.68 = 130,022.45 : x
  2. Step 2: Convert to fraction form
    462,446.45/693,669.68 = 130,022.45/x
  3. Step 3: Cross multiply
    462,446.45x = 693,669.68 × 130,022.45
  4. Step 4: Simplify right side
    462,446.45x = 90,192,630,634.20
  5. Step 5: Solve for x
    x = 90,192,630,634.20/462,446.45
  6. Step 6: Final answer
    x = 195,033.68

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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.