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Finding the Fourth Proportional to 377,711.62, 521,187.96 and 216,573.46

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Solution

The fourth proportional to 377,711.62, 521,187.96 and 216,573.46 is: 298,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,711.62 : 521,187.96 = 216,573.46 : x
  2. Step 2: Convert to fraction form
    377,711.62/521,187.96 = 216,573.46/x
  3. Step 3: Cross multiply
    377,711.62x = 521,187.96 × 216,573.46
  4. Step 4: Simplify right side
    377,711.62x = 112,875,479,807.54
  5. Step 5: Solve for x
    x = 112,875,479,807.54/377,711.62
  6. Step 6: Final answer
    x = 298,840.37

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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.