Home / 283,230.52-390,812.38-162,349.56

Finding the Fourth Proportional to 283,230.52, 390,812.38 and 162,349.56

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Solution

The fourth proportional to 283,230.52, 390,812.38 and 162,349.56 is: 224,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,230.52 : 390,812.38 = 162,349.56 : x
  2. Step 2: Convert to fraction form
    283,230.52/390,812.38 = 162,349.56/x
  3. Step 3: Cross multiply
    283,230.52x = 390,812.38 × 162,349.56
  4. Step 4: Simplify right side
    283,230.52x = 63,448,217,935.55
  5. Step 5: Solve for x
    x = 63,448,217,935.55/283,230.52
  6. Step 6: Final answer
    x = 224,016.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.