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Finding the Fourth Proportional to 365,906.68, 548,641.32 and 141,080.68

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Solution

The fourth proportional to 365,906.68, 548,641.32 and 141,080.68 is: 211,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,906.68 : 548,641.32 = 141,080.68 : x
  2. Step 2: Convert to fraction form
    365,906.68/548,641.32 = 141,080.68/x
  3. Step 3: Cross multiply
    365,906.68x = 548,641.32 × 141,080.68
  4. Step 4: Simplify right side
    365,906.68x = 77,402,690,501.70
  5. Step 5: Solve for x
    x = 77,402,690,501.70/365,906.68
  6. Step 6: Final answer
    x = 211,536.70

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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.