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Finding the Fourth Proportional to 169,584.40, 254,412.58 and 64,401.04

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Solution

The fourth proportional to 169,584.40, 254,412.58 and 64,401.04 is: 96,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,584.40 : 254,412.58 = 64,401.04 : x
  2. Step 2: Convert to fraction form
    169,584.40/254,412.58 = 64,401.04/x
  3. Step 3: Cross multiply
    169,584.40x = 254,412.58 × 64,401.04
  4. Step 4: Simplify right side
    169,584.40x = 16,384,434,741.08
  5. Step 5: Solve for x
    x = 16,384,434,741.08/169,584.40
  6. Step 6: Final answer
    x = 96,615.22

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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.