Home / 462,319.55-693,555.23-142,471.47

Finding the Fourth Proportional to 462,319.55, 693,555.23 and 142,471.47

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Solution

The fourth proportional to 462,319.55, 693,555.23 and 142,471.47 is: 213,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,319.55 : 693,555.23 = 142,471.47 : x
  2. Step 2: Convert to fraction form
    462,319.55/693,555.23 = 142,471.47/x
  3. Step 3: Cross multiply
    462,319.55x = 693,555.23 × 142,471.47
  4. Step 4: Simplify right side
    462,319.55x = 98,811,834,165.82
  5. Step 5: Solve for x
    x = 98,811,834,165.82/462,319.55
  6. Step 6: Final answer
    x = 213,730.60

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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.