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Finding the Fourth Proportional to 287,951.74, 432,010.60 and 88,301.57

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Solution

The fourth proportional to 287,951.74, 432,010.60 and 88,301.57 is: 132,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,951.74 : 432,010.60 = 88,301.57 : x
  2. Step 2: Convert to fraction form
    287,951.74/432,010.60 = 88,301.57/x
  3. Step 3: Cross multiply
    287,951.74x = 432,010.60 × 88,301.57
  4. Step 4: Simplify right side
    287,951.74x = 38,147,211,855.84
  5. Step 5: Solve for x
    x = 38,147,211,855.84/287,951.74
  6. Step 6: Final answer
    x = 132,477.80

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1.5x scale

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.