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Finding the Fourth Proportional to 205,014.60, 307,521.90 and 94,422.60

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Solution

The fourth proportional to 205,014.60, 307,521.90 and 94,422.60 is: 141,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,014.60 : 307,521.90 = 94,422.60 : x
  2. Step 2: Convert to fraction form
    205,014.60/307,521.90 = 94,422.60/x
  3. Step 3: Cross multiply
    205,014.60x = 307,521.90 × 94,422.60
  4. Step 4: Simplify right side
    205,014.60x = 29,037,017,354.94
  5. Step 5: Solve for x
    x = 29,037,017,354.94/205,014.60
  6. Step 6: Final answer
    x = 141,633.90

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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.