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Finding the Fourth Proportional to 534,649, 801,983.73 and 174,821.19

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Solution

The fourth proportional to 534,649, 801,983.73 and 174,821.19 is: 262,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,649 : 801,983.73 = 174,821.19 : x
  2. Step 2: Convert to fraction form
    534,649/801,983.73 = 174,821.19/x
  3. Step 3: Cross multiply
    534,649x = 801,983.73 × 174,821.19
  4. Step 4: Simplify right side
    534,649x = 140,203,750,039.24
  5. Step 5: Solve for x
    x = 140,203,750,039.24/534,649
  6. Step 6: Final answer
    x = 262,235.13

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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.