Home / 247,895.95-341,970.50-161,905.31

Finding the Fourth Proportional to 247,895.95, 341,970.50 and 161,905.31

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Solution

The fourth proportional to 247,895.95, 341,970.50 and 161,905.31 is: 223,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,895.95 : 341,970.50 = 161,905.31 : x
  2. Step 2: Convert to fraction form
    247,895.95/341,970.50 = 161,905.31/x
  3. Step 3: Cross multiply
    247,895.95x = 341,970.50 × 161,905.31
  4. Step 4: Simplify right side
    247,895.95x = 55,366,839,858.75
  5. Step 5: Solve for x
    x = 55,366,839,858.75/247,895.95
  6. Step 6: Final answer
    x = 223,347.10

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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.