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Finding the Fourth Proportional to 375,364.77, 518,002.61 and 203,282.20

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Solution

The fourth proportional to 375,364.77, 518,002.61 and 203,282.20 is: 280,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,364.77 : 518,002.61 = 203,282.20 : x
  2. Step 2: Convert to fraction form
    375,364.77/518,002.61 = 203,282.20/x
  3. Step 3: Cross multiply
    375,364.77x = 518,002.61 × 203,282.20
  4. Step 4: Simplify right side
    375,364.77x = 105,300,710,166.54
  5. Step 5: Solve for x
    x = 105,300,710,166.54/375,364.77
  6. Step 6: Final answer
    x = 280,529.02

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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.