Home / 377,460.38-520,898.96-207,698.15

Finding the Fourth Proportional to 377,460.38, 520,898.96 and 207,698.15

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Solution

The fourth proportional to 377,460.38, 520,898.96 and 207,698.15 is: 286,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,460.38 : 520,898.96 = 207,698.15 : x
  2. Step 2: Convert to fraction form
    377,460.38/520,898.96 = 207,698.15/x
  3. Step 3: Cross multiply
    377,460.38x = 520,898.96 × 207,698.15
  4. Step 4: Simplify right side
    377,460.38x = 108,189,748,243.68
  5. Step 5: Solve for x
    x = 108,189,748,243.68/377,460.38
  6. Step 6: Final answer
    x = 286,625.45

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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.