Home / 243,213.03-362,373.32-229,631.76

Finding the Fourth Proportional to 243,213.03, 362,373.32 and 229,631.76

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Solution

The fourth proportional to 243,213.03, 362,373.32 and 229,631.76 is: 342,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,213.03 : 362,373.32 = 229,631.76 : x
  2. Step 2: Convert to fraction form
    243,213.03/362,373.32 = 229,631.76/x
  3. Step 3: Cross multiply
    243,213.03x = 362,373.32 × 229,631.76
  4. Step 4: Simplify right side
    243,213.03x = 83,212,423,822.72
  5. Step 5: Solve for x
    x = 83,212,423,822.72/243,213.03
  6. Step 6: Final answer
    x = 342,138.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.