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Finding the Fourth Proportional to 363,363.84, 501,013.08 and 248,697.72

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Solution

The fourth proportional to 363,363.84, 501,013.08 and 248,697.72 is: 342,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,363.84 : 501,013.08 = 248,697.72 : x
  2. Step 2: Convert to fraction form
    363,363.84/501,013.08 = 248,697.72/x
  3. Step 3: Cross multiply
    363,363.84x = 501,013.08 × 248,697.72
  4. Step 4: Simplify right side
    363,363.84x = 124,600,810,686.18
  5. Step 5: Solve for x
    x = 124,600,810,686.18/363,363.84
  6. Step 6: Final answer
    x = 342,909.22

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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.