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Finding the Fourth Proportional to 484,452, 668,543.76 and 272,484

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Solution

The fourth proportional to 484,452, 668,543.76 and 272,484 is: 376,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,452 : 668,543.76 = 272,484 : x
  2. Step 2: Convert to fraction form
    484,452/668,543.76 = 272,484/x
  3. Step 3: Cross multiply
    484,452x = 668,543.76 × 272,484
  4. Step 4: Simplify right side
    484,452x = 182,167,477,899.84
  5. Step 5: Solve for x
    x = 182,167,477,899.84/484,452
  6. Step 6: Final answer
    x = 376,027.92

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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.