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Finding the Fourth Proportional to 294,005.60, 441,092.12 and 144,290.88

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Solution

The fourth proportional to 294,005.60, 441,092.12 and 144,290.88 is: 216,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,005.60 : 441,092.12 = 144,290.88 : x
  2. Step 2: Convert to fraction form
    294,005.60/441,092.12 = 144,290.88/x
  3. Step 3: Cross multiply
    294,005.60x = 441,092.12 × 144,290.88
  4. Step 4: Simplify right side
    294,005.60x = 63,645,570,155.87
  5. Step 5: Solve for x
    x = 63,645,570,155.87/294,005.60
  6. Step 6: Final answer
    x = 216,477.41

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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.