Home / 287,963.04-397,416.60-160,650.48

Finding the Fourth Proportional to 287,963.04, 397,416.60 and 160,650.48

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Solution

The fourth proportional to 287,963.04, 397,416.60 and 160,650.48 is: 221,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,963.04 : 397,416.60 = 160,650.48 : x
  2. Step 2: Convert to fraction form
    287,963.04/397,416.60 = 160,650.48/x
  3. Step 3: Cross multiply
    287,963.04x = 397,416.60 × 160,650.48
  4. Step 4: Simplify right side
    287,963.04x = 63,845,167,549.97
  5. Step 5: Solve for x
    x = 63,845,167,549.97/287,963.04
  6. Step 6: Final answer
    x = 221,713.06

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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.