Home / 287,933.01-431,899.52-147,602.13

Finding the Fourth Proportional to 287,933.01, 431,899.52 and 147,602.13

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Solution

The fourth proportional to 287,933.01, 431,899.52 and 147,602.13 is: 221,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,933.01 : 431,899.52 = 147,602.13 : x
  2. Step 2: Convert to fraction form
    287,933.01/431,899.52 = 147,602.13/x
  3. Step 3: Cross multiply
    287,933.01x = 431,899.52 × 147,602.13
  4. Step 4: Simplify right side
    287,933.01x = 63,749,288,359.97
  5. Step 5: Solve for x
    x = 63,749,288,359.97/287,933.01
  6. Step 6: Final answer
    x = 221,403.20

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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.