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Finding the Fourth Proportional to 288,600.70, 432,901.05 and 236,112.70

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Solution

The fourth proportional to 288,600.70, 432,901.05 and 236,112.70 is: 354,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,600.70 : 432,901.05 = 236,112.70 : x
  2. Step 2: Convert to fraction form
    288,600.70/432,901.05 = 236,112.70/x
  3. Step 3: Cross multiply
    288,600.70x = 432,901.05 × 236,112.70
  4. Step 4: Simplify right side
    288,600.70x = 102,213,435,748.34
  5. Step 5: Solve for x
    x = 102,213,435,748.34/288,600.70
  6. Step 6: Final answer
    x = 354,169.05

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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.