Home / 272,356.94-375,826.18-157,612.79

Finding the Fourth Proportional to 272,356.94, 375,826.18 and 157,612.79

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Solution

The fourth proportional to 272,356.94, 375,826.18 and 157,612.79 is: 217,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,356.94 : 375,826.18 = 157,612.79 : x
  2. Step 2: Convert to fraction form
    272,356.94/375,826.18 = 157,612.79/x
  3. Step 3: Cross multiply
    272,356.94x = 375,826.18 × 157,612.79
  4. Step 4: Simplify right side
    272,356.94x = 59,235,012,784.84
  5. Step 5: Solve for x
    x = 59,235,012,784.84/272,356.94
  6. Step 6: Final answer
    x = 217,490.37

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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.