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Finding the Fourth Proportional to 288,894.53, 432,986.85 and 162,268.59

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Solution

The fourth proportional to 288,894.53, 432,986.85 and 162,268.59 is: 243,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,894.53 : 432,986.85 = 162,268.59 : x
  2. Step 2: Convert to fraction form
    288,894.53/432,986.85 = 162,268.59/x
  3. Step 3: Cross multiply
    288,894.53x = 432,986.85 × 162,268.59
  4. Step 4: Simplify right side
    288,894.53x = 70,260,165,638.04
  5. Step 5: Solve for x
    x = 70,260,165,638.04/288,894.53
  6. Step 6: Final answer
    x = 243,203.52

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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.