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Finding the Fourth Proportional to 288,833.75, 433,260.51 and 99,292.50

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Solution

The fourth proportional to 288,833.75, 433,260.51 and 99,292.50 is: 148,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,833.75 : 433,260.51 = 99,292.50 : x
  2. Step 2: Convert to fraction form
    288,833.75/433,260.51 = 99,292.50/x
  3. Step 3: Cross multiply
    288,833.75x = 433,260.51 × 99,292.50
  4. Step 4: Simplify right side
    288,833.75x = 43,019,519,189.18
  5. Step 5: Solve for x
    x = 43,019,519,189.18/288,833.75
  6. Step 6: Final answer
    x = 148,942.15

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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.