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Finding the Fourth Proportional to 377,301.18, 520,664.76 and 207,535.32

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Solution

The fourth proportional to 377,301.18, 520,664.76 and 207,535.32 is: 286,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,301.18 : 520,664.76 = 207,535.32 : x
  2. Step 2: Convert to fraction form
    377,301.18/520,664.76 = 207,535.32/x
  3. Step 3: Cross multiply
    377,301.18x = 520,664.76 × 207,535.32
  4. Step 4: Simplify right side
    377,301.18x = 108,056,327,579.32
  5. Step 5: Solve for x
    x = 108,056,327,579.32/377,301.18
  6. Step 6: Final answer
    x = 286,392.76

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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.