Home / 287,960.14-432,071.49-147,817.26

Finding the Fourth Proportional to 287,960.14, 432,071.49 and 147,817.26

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Solution

The fourth proportional to 287,960.14, 432,071.49 and 147,817.26 is: 221,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,960.14 : 432,071.49 = 147,817.26 : x
  2. Step 2: Convert to fraction form
    287,960.14/432,071.49 = 147,817.26/x
  3. Step 3: Cross multiply
    287,960.14x = 432,071.49 × 147,817.26
  4. Step 4: Simplify right side
    287,960.14x = 63,867,623,775.92
  5. Step 5: Solve for x
    x = 63,867,623,775.92/287,960.14
  6. Step 6: Final answer
    x = 221,793.28

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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.