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Finding the Fourth Proportional to 301,657.80, 452,454.30 and 80,041.80

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Solution

The fourth proportional to 301,657.80, 452,454.30 and 80,041.80 is: 120,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,657.80 : 452,454.30 = 80,041.80 : x
  2. Step 2: Convert to fraction form
    301,657.80/452,454.30 = 80,041.80/x
  3. Step 3: Cross multiply
    301,657.80x = 452,454.30 × 80,041.80
  4. Step 4: Simplify right side
    301,657.80x = 36,215,256,589.74
  5. Step 5: Solve for x
    x = 36,215,256,589.74/301,657.80
  6. Step 6: Final answer
    x = 120,054.10

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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.