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Finding the Fourth Proportional to 296,753.36, 409,661.55 and 169,404.35

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Solution

The fourth proportional to 296,753.36, 409,661.55 and 169,404.35 is: 233,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,753.36 : 409,661.55 = 169,404.35 : x
  2. Step 2: Convert to fraction form
    296,753.36/409,661.55 = 169,404.35/x
  3. Step 3: Cross multiply
    296,753.36x = 409,661.55 × 169,404.35
  4. Step 4: Simplify right side
    296,753.36x = 69,398,446,549.43
  5. Step 5: Solve for x
    x = 69,398,446,549.43/296,753.36
  6. Step 6: Final answer
    x = 233,859.01

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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.