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Finding the Fourth Proportional to 288,600.70, 432,901.05 and 235,456.60

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Solution

The fourth proportional to 288,600.70, 432,901.05 and 235,456.60 is: 353,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,600.70 : 432,901.05 = 235,456.60 : x
  2. Step 2: Convert to fraction form
    288,600.70/432,901.05 = 235,456.60/x
  3. Step 3: Cross multiply
    288,600.70x = 432,901.05 × 235,456.60
  4. Step 4: Simplify right side
    288,600.70x = 101,929,409,369.43
  5. Step 5: Solve for x
    x = 101,929,409,369.43/288,600.70
  6. Step 6: Final answer
    x = 353,184.90

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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.