Home / 287,835.50-431,192.18-175,236.42

Finding the Fourth Proportional to 287,835.50, 431,192.18 and 175,236.42

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Solution

The fourth proportional to 287,835.50, 431,192.18 and 175,236.42 is: 262,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,835.50 : 431,192.18 = 175,236.42 : x
  2. Step 2: Convert to fraction form
    287,835.50/431,192.18 = 175,236.42/x
  3. Step 3: Cross multiply
    287,835.50x = 431,192.18 × 175,236.42
  4. Step 4: Simplify right side
    287,835.50x = 75,560,573,955.20
  5. Step 5: Solve for x
    x = 75,560,573,955.20/287,835.50
  6. Step 6: Final answer
    x = 262,513.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.