Home / 287,895.60-431,827.81-88,216.57

Finding the Fourth Proportional to 287,895.60, 431,827.81 and 88,216.57

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Solution

The fourth proportional to 287,895.60, 431,827.81 and 88,216.57 is: 132,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,895.60 : 431,827.81 = 88,216.57 : x
  2. Step 2: Convert to fraction form
    287,895.60/431,827.81 = 88,216.57/x
  3. Step 3: Cross multiply
    287,895.60x = 431,827.81 × 88,216.57
  4. Step 4: Simplify right side
    287,895.60x = 38,094,368,228.81
  5. Step 5: Solve for x
    x = 38,094,368,228.81/287,895.60
  6. Step 6: Final answer
    x = 132,320.08

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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.