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Finding the Fourth Proportional to 377,162.68, 520,488.22 and 207,398.04

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Solution

The fourth proportional to 377,162.68, 520,488.22 and 207,398.04 is: 286,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,162.68 : 520,488.22 = 207,398.04 : x
  2. Step 2: Convert to fraction form
    377,162.68/520,488.22 = 207,398.04/x
  3. Step 3: Cross multiply
    377,162.68x = 520,488.22 × 207,398.04
  4. Step 4: Simplify right side
    377,162.68x = 107,948,236,671.09
  5. Step 5: Solve for x
    x = 107,948,236,671.09/377,162.68
  6. Step 6: Final answer
    x = 286,211.34

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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.