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Finding the Fourth Proportional to 262,044.64, 361,631.28 and 148,886.56

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Solution

The fourth proportional to 262,044.64, 361,631.28 and 148,886.56 is: 205,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,044.64 : 361,631.28 = 148,886.56 : x
  2. Step 2: Convert to fraction form
    262,044.64/361,631.28 = 148,886.56/x
  3. Step 3: Cross multiply
    262,044.64x = 361,631.28 × 148,886.56
  4. Step 4: Simplify right side
    262,044.64x = 53,842,037,267.60
  5. Step 5: Solve for x
    x = 53,842,037,267.60/262,044.64
  6. Step 6: Final answer
    x = 205,468.95

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1.5x scale

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.