Home / 269,828.64-372,407.28-156,717

Finding the Fourth Proportional to 269,828.64, 372,407.28 and 156,717

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Solution

The fourth proportional to 269,828.64, 372,407.28 and 156,717 is: 216,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,828.64 : 372,407.28 = 156,717 : x
  2. Step 2: Convert to fraction form
    269,828.64/372,407.28 = 156,717/x
  3. Step 3: Cross multiply
    269,828.64x = 372,407.28 × 156,717
  4. Step 4: Simplify right side
    269,828.64x = 58,362,551,699.76
  5. Step 5: Solve for x
    x = 58,362,551,699.76/269,828.64
  6. Step 6: Final answer
    x = 216,294.87

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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.