Home / 447,670.24-617,791.19-243,727.32

Finding the Fourth Proportional to 447,670.24, 617,791.19 and 243,727.32

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Solution

The fourth proportional to 447,670.24, 617,791.19 and 243,727.32 is: 336,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,670.24 : 617,791.19 = 243,727.32 : x
  2. Step 2: Convert to fraction form
    447,670.24/617,791.19 = 243,727.32/x
  3. Step 3: Cross multiply
    447,670.24x = 617,791.19 × 243,727.32
  4. Step 4: Simplify right side
    447,670.24x = 150,572,592,156.39
  5. Step 5: Solve for x
    x = 150,572,592,156.39/447,670.24
  6. Step 6: Final answer
    x = 336,347.11

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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.