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Finding the Fourth Proportional to 375,581.85, 518,298.53 and 203,496.45

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Solution

The fourth proportional to 375,581.85, 518,298.53 and 203,496.45 is: 280,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,581.85 : 518,298.53 = 203,496.45 : x
  2. Step 2: Convert to fraction form
    375,581.85/518,298.53 = 203,496.45/x
  3. Step 3: Cross multiply
    375,581.85x = 518,298.53 × 203,496.45
  4. Step 4: Simplify right side
    375,581.85x = 105,471,908,303.73
  5. Step 5: Solve for x
    x = 105,471,908,303.73/375,581.85
  6. Step 6: Final answer
    x = 280,822.70

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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.