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Finding the Fourth Proportional to 377,434.62, 520,889.36 and 216,329.27

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Solution

The fourth proportional to 377,434.62, 520,889.36 and 216,329.27 is: 298,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,434.62 : 520,889.36 = 216,329.27 : x
  2. Step 2: Convert to fraction form
    377,434.62/520,889.36 = 216,329.27/x
  3. Step 3: Cross multiply
    377,434.62x = 520,889.36 × 216,329.27
  4. Step 4: Simplify right side
    377,434.62x = 112,683,611,313.47
  5. Step 5: Solve for x
    x = 112,683,611,313.47/377,434.62
  6. Step 6: Final answer
    x = 298,551.34

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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.