Home / 347,844.10-521,766.15-223,428.10

Finding the Fourth Proportional to 347,844.10, 521,766.15 and 223,428.10

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Solution

The fourth proportional to 347,844.10, 521,766.15 and 223,428.10 is: 335,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,844.10 : 521,766.15 = 223,428.10 : x
  2. Step 2: Convert to fraction form
    347,844.10/521,766.15 = 223,428.10/x
  3. Step 3: Cross multiply
    347,844.10x = 521,766.15 × 223,428.10
  4. Step 4: Simplify right side
    347,844.10x = 116,577,219,538.82
  5. Step 5: Solve for x
    x = 116,577,219,538.82/347,844.10
  6. Step 6: Final answer
    x = 335,142.15

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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.