Home / 287,716.04-431,558.16-88,036.46

Finding the Fourth Proportional to 287,716.04, 431,558.16 and 88,036.46

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Solution

The fourth proportional to 287,716.04, 431,558.16 and 88,036.46 is: 132,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,716.04 : 431,558.16 = 88,036.46 : x
  2. Step 2: Convert to fraction form
    287,716.04/431,558.16 = 88,036.46/x
  3. Step 3: Cross multiply
    287,716.04x = 431,558.16 × 88,036.46
  4. Step 4: Simplify right side
    287,716.04x = 37,992,852,690.51
  5. Step 5: Solve for x
    x = 37,992,852,690.51/287,716.04
  6. Step 6: Final answer
    x = 132,049.82

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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.