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Finding the Fourth Proportional to 375,274.58, 517,875.03 and 203,189.58

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Solution

The fourth proportional to 375,274.58, 517,875.03 and 203,189.58 is: 280,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,274.58 : 517,875.03 = 203,189.58 : x
  2. Step 2: Convert to fraction form
    375,274.58/517,875.03 = 203,189.58/x
  3. Step 3: Cross multiply
    375,274.58x = 517,875.03 × 203,189.58
  4. Step 4: Simplify right side
    375,274.58x = 105,226,809,838.19
  5. Step 5: Solve for x
    x = 105,226,809,838.19/375,274.58
  6. Step 6: Final answer
    x = 280,399.52

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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.