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Finding the Fourth Proportional to 375,894.22, 563,781.30 and 109,592.47

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Solution

The fourth proportional to 375,894.22, 563,781.30 and 109,592.47 is: 164,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,894.22 : 563,781.30 = 109,592.47 : x
  2. Step 2: Convert to fraction form
    375,894.22/563,781.30 = 109,592.47/x
  3. Step 3: Cross multiply
    375,894.22x = 563,781.30 × 109,592.47
  4. Step 4: Simplify right side
    375,894.22x = 61,786,185,206.81
  5. Step 5: Solve for x
    x = 61,786,185,206.81/375,894.22
  6. Step 6: Final answer
    x = 164,371.20

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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.