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Finding the Fourth Proportional to 301,949.70, 452,406.15 and 143,837.70

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Solution

The fourth proportional to 301,949.70, 452,406.15 and 143,837.70 is: 215,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,949.70 : 452,406.15 = 143,837.70 : x
  2. Step 2: Convert to fraction form
    301,949.70/452,406.15 = 143,837.70/x
  3. Step 3: Cross multiply
    301,949.70x = 452,406.15 × 143,837.70
  4. Step 4: Simplify right side
    301,949.70x = 65,073,060,081.86
  5. Step 5: Solve for x
    x = 65,073,060,081.86/301,949.70
  6. Step 6: Final answer
    x = 215,509.60

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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.