Home / 348,362.20-521,765.70-268,852.60

Finding the Fourth Proportional to 348,362.20, 521,765.70 and 268,852.60

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Solution

The fourth proportional to 348,362.20, 521,765.70 and 268,852.60 is: 402,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,362.20 : 521,765.70 = 268,852.60 : x
  2. Step 2: Convert to fraction form
    348,362.20/521,765.70 = 268,852.60/x
  3. Step 3: Cross multiply
    348,362.20x = 521,765.70 × 268,852.60
  4. Step 4: Simplify right side
    348,362.20x = 140,278,065,035.82
  5. Step 5: Solve for x
    x = 140,278,065,035.82/348,362.20
  6. Step 6: Final answer
    x = 402,678.78

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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.