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Finding the Fourth Proportional to 294,445.76, 441,682.72 and 84,098.24

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Solution

The fourth proportional to 294,445.76, 441,682.72 and 84,098.24 is: 126,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,445.76 : 441,682.72 = 84,098.24 : x
  2. Step 2: Convert to fraction form
    294,445.76/441,682.72 = 84,098.24/x
  3. Step 3: Cross multiply
    294,445.76x = 441,682.72 × 84,098.24
  4. Step 4: Simplify right side
    294,445.76x = 37,144,739,390.41
  5. Step 5: Solve for x
    x = 37,144,739,390.41/294,445.76
  6. Step 6: Final answer
    x = 126,151.38

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1.5x scale

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.