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Finding the Fourth Proportional to 375,276.02, 517,881.15 and 203,194.10

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Solution

The fourth proportional to 375,276.02, 517,881.15 and 203,194.10 is: 280,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,276.02 : 517,881.15 = 203,194.10 : x
  2. Step 2: Convert to fraction form
    375,276.02/517,881.15 = 203,194.10/x
  3. Step 3: Cross multiply
    375,276.02x = 517,881.15 × 203,194.10
  4. Step 4: Simplify right side
    375,276.02x = 105,230,395,869.28
  5. Step 5: Solve for x
    x = 105,230,395,869.28/375,276.02
  6. Step 6: Final answer
    x = 280,408.00

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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.