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Finding the Fourth Proportional to 298,561.68, 411,983.82 and 169,459.02

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Solution

The fourth proportional to 298,561.68, 411,983.82 and 169,459.02 is: 233,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,561.68 : 411,983.82 = 169,459.02 : x
  2. Step 2: Convert to fraction form
    298,561.68/411,983.82 = 169,459.02/x
  3. Step 3: Cross multiply
    298,561.68x = 411,983.82 × 169,459.02
  4. Step 4: Simplify right side
    298,561.68x = 69,814,374,393.06
  5. Step 5: Solve for x
    x = 69,814,374,393.06/298,561.68
  6. Step 6: Final answer
    x = 233,835.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.