Home / 297,941.60-447,109.22-140,182.35

Finding the Fourth Proportional to 297,941.60, 447,109.22 and 140,182.35

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Solution

The fourth proportional to 297,941.60, 447,109.22 and 140,182.35 is: 210,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,941.60 : 447,109.22 = 140,182.35 : x
  2. Step 2: Convert to fraction form
    297,941.60/447,109.22 = 140,182.35/x
  3. Step 3: Cross multiply
    297,941.60x = 447,109.22 × 140,182.35
  4. Step 4: Simplify right side
    297,941.60x = 62,676,820,465.36
  5. Step 5: Solve for x
    x = 62,676,820,465.36/297,941.60
  6. Step 6: Final answer
    x = 210,366.13

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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.