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Finding the Fourth Proportional to 288,755.50, 432,827.80 and 108,763.04

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Solution

The fourth proportional to 288,755.50, 432,827.80 and 108,763.04 is: 163,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,755.50 : 432,827.80 = 108,763.04 : x
  2. Step 2: Convert to fraction form
    288,755.50/432,827.80 = 108,763.04/x
  3. Step 3: Cross multiply
    288,755.50x = 432,827.80 × 108,763.04
  4. Step 4: Simplify right side
    288,755.50x = 47,075,666,311.81
  5. Step 5: Solve for x
    x = 47,075,666,311.81/288,755.50
  6. Step 6: Final answer
    x = 163,029.51

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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.