Home / 377,273.30-520,626.29-207,507.42

Finding the Fourth Proportional to 377,273.30, 520,626.29 and 207,507.42

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Solution

The fourth proportional to 377,273.30, 520,626.29 and 207,507.42 is: 286,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,273.30 : 520,626.29 = 207,507.42 : x
  2. Step 2: Convert to fraction form
    377,273.30/520,626.29 = 207,507.42/x
  3. Step 3: Cross multiply
    377,273.30x = 520,626.29 × 207,507.42
  4. Step 4: Simplify right side
    377,273.30x = 108,033,817,184.54
  5. Step 5: Solve for x
    x = 108,033,817,184.54/377,273.30
  6. Step 6: Final answer
    x = 286,354.27

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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.