Home / 442,056.82-663,214.62-142,531.36

Finding the Fourth Proportional to 442,056.82, 663,214.62 and 142,531.36

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Solution

The fourth proportional to 442,056.82, 663,214.62 and 142,531.36 is: 213,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,056.82 : 663,214.62 = 142,531.36 : x
  2. Step 2: Convert to fraction form
    442,056.82/663,214.62 = 142,531.36/x
  3. Step 3: Cross multiply
    442,056.82x = 663,214.62 × 142,531.36
  4. Step 4: Simplify right side
    442,056.82x = 94,528,881,760.48
  5. Step 5: Solve for x
    x = 94,528,881,760.48/442,056.82
  6. Step 6: Final answer
    x = 213,838.76

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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.