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Finding the Fourth Proportional to 236,390.68, 354,482.26 and 88,543

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Solution

The fourth proportional to 236,390.68, 354,482.26 and 88,543 is: 132,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,390.68 : 354,482.26 = 88,543 : x
  2. Step 2: Convert to fraction form
    236,390.68/354,482.26 = 88,543/x
  3. Step 3: Cross multiply
    236,390.68x = 354,482.26 × 88,543
  4. Step 4: Simplify right side
    236,390.68x = 31,386,922,747.18
  5. Step 5: Solve for x
    x = 31,386,922,747.18/236,390.68
  6. Step 6: Final answer
    x = 132,775.64

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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.