Home / 387,262.11-534,423.83-217,496.24

Finding the Fourth Proportional to 387,262.11, 534,423.83 and 217,496.24

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Solution

The fourth proportional to 387,262.11, 534,423.83 and 217,496.24 is: 300,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,262.11 : 534,423.83 = 217,496.24 : x
  2. Step 2: Convert to fraction form
    387,262.11/534,423.83 = 217,496.24/x
  3. Step 3: Cross multiply
    387,262.11x = 534,423.83 × 217,496.24
  4. Step 4: Simplify right side
    387,262.11x = 116,235,171,835.89
  5. Step 5: Solve for x
    x = 116,235,171,835.89/387,262.11
  6. Step 6: Final answer
    x = 300,145.99

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1.5x scale

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.