Home / 376,929.15-520,156.19-207,159.63

Finding the Fourth Proportional to 376,929.15, 520,156.19 and 207,159.63

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Solution

The fourth proportional to 376,929.15, 520,156.19 and 207,159.63 is: 285,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,929.15 : 520,156.19 = 207,159.63 : x
  2. Step 2: Convert to fraction form
    376,929.15/520,156.19 = 207,159.63/x
  3. Step 3: Cross multiply
    376,929.15x = 520,156.19 × 207,159.63
  4. Step 4: Simplify right side
    376,929.15x = 107,755,362,826.81
  5. Step 5: Solve for x
    x = 107,755,362,826.81/376,929.15
  6. Step 6: Final answer
    x = 285,876.97

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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.