Home / 484,331.31-668,409.15-269,471.82

Finding the Fourth Proportional to 484,331.31, 668,409.15 and 269,471.82

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Solution

The fourth proportional to 484,331.31, 668,409.15 and 269,471.82 is: 371,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,331.31 : 668,409.15 = 269,471.82 : x
  2. Step 2: Convert to fraction form
    484,331.31/668,409.15 = 269,471.82/x
  3. Step 3: Cross multiply
    484,331.31x = 668,409.15 × 269,471.82
  4. Step 4: Simplify right side
    484,331.31x = 180,117,430,155.15
  5. Step 5: Solve for x
    x = 180,117,430,155.15/484,331.31
  6. Step 6: Final answer
    x = 371,888.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.