Home / 283,021.32-390,748.68-175,705.23

Finding the Fourth Proportional to 283,021.32, 390,748.68 and 175,705.23

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Solution

The fourth proportional to 283,021.32, 390,748.68 and 175,705.23 is: 242,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,021.32 : 390,748.68 = 175,705.23 : x
  2. Step 2: Convert to fraction form
    283,021.32/390,748.68 = 175,705.23/x
  3. Step 3: Cross multiply
    283,021.32x = 390,748.68 × 175,705.23
  4. Step 4: Simplify right side
    283,021.32x = 68,656,586,691.60
  5. Step 5: Solve for x
    x = 68,656,586,691.60/283,021.32
  6. Step 6: Final answer
    x = 242,584.50

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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.