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Finding the Fourth Proportional to 288,696.29, 432,200.00 and 168,385.37

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Solution

The fourth proportional to 288,696.29, 432,200.00 and 168,385.37 is: 252,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,696.29 : 432,200.00 = 168,385.37 : x
  2. Step 2: Convert to fraction form
    288,696.29/432,200.00 = 168,385.37/x
  3. Step 3: Cross multiply
    288,696.29x = 432,200.00 × 168,385.37
  4. Step 4: Simplify right side
    288,696.29x = 72,776,155,173.96
  5. Step 5: Solve for x
    x = 72,776,155,173.96/288,696.29
  6. Step 6: Final answer
    x = 252,085.53

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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.