Home / 445,553.28-668,063-141,816.24

Finding the Fourth Proportional to 445,553.28, 668,063 and 141,816.24

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Solution

The fourth proportional to 445,553.28, 668,063 and 141,816.24 is: 212,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,553.28 : 668,063 = 141,816.24 : x
  2. Step 2: Convert to fraction form
    445,553.28/668,063 = 141,816.24/x
  3. Step 3: Cross multiply
    445,553.28x = 668,063 × 141,816.24
  4. Step 4: Simplify right side
    445,553.28x = 94,742,182,743.12
  5. Step 5: Solve for x
    x = 94,742,182,743.12/445,553.28
  6. Step 6: Final answer
    x = 212,639.40

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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.