Home / 283,013.04-423,596.52-208,112.88

Finding the Fourth Proportional to 283,013.04, 423,596.52 and 208,112.88

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Solution

The fourth proportional to 283,013.04, 423,596.52 and 208,112.88 is: 311,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,013.04 : 423,596.52 = 208,112.88 : x
  2. Step 2: Convert to fraction form
    283,013.04/423,596.52 = 208,112.88/x
  3. Step 3: Cross multiply
    283,013.04x = 423,596.52 × 208,112.88
  4. Step 4: Simplify right side
    283,013.04x = 88,155,891,735.18
  5. Step 5: Solve for x
    x = 88,155,891,735.18/283,013.04
  6. Step 6: Final answer
    x = 311,490.57

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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.