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Finding the Fourth Proportional to 377,301.49, 520,675.67 and 216,157.17

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Solution

The fourth proportional to 377,301.49, 520,675.67 and 216,157.17 is: 298,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,301.49 : 520,675.67 = 216,157.17 : x
  2. Step 2: Convert to fraction form
    377,301.49/520,675.67 = 216,157.17/x
  3. Step 3: Cross multiply
    377,301.49x = 520,675.67 × 216,157.17
  4. Step 4: Simplify right side
    377,301.49x = 112,547,781,807.98
  5. Step 5: Solve for x
    x = 112,547,781,807.98/377,301.49
  6. Step 6: Final answer
    x = 298,296.68

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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.