Home / 348,278.82-522,454-120,574.10

Finding the Fourth Proportional to 348,278.82, 522,454 and 120,574.10

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Solution

The fourth proportional to 348,278.82, 522,454 and 120,574.10 is: 180,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,278.82 : 522,454 = 120,574.10 : x
  2. Step 2: Convert to fraction form
    348,278.82/522,454 = 120,574.10/x
  3. Step 3: Cross multiply
    348,278.82x = 522,454 × 120,574.10
  4. Step 4: Simplify right side
    348,278.82x = 62,994,420,841.40
  5. Step 5: Solve for x
    x = 62,994,420,841.40/348,278.82
  6. Step 6: Final answer
    x = 180,873.53

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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.