Home / 377,267.91-520,619.31-207,502.17

Finding the Fourth Proportional to 377,267.91, 520,619.31 and 207,502.17

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Solution

The fourth proportional to 377,267.91, 520,619.31 and 207,502.17 is: 286,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,267.91 : 520,619.31 = 207,502.17 : x
  2. Step 2: Convert to fraction form
    377,267.91/520,619.31 = 207,502.17/x
  3. Step 3: Cross multiply
    377,267.91x = 520,619.31 × 207,502.17
  4. Step 4: Simplify right side
    377,267.91x = 108,029,636,568.90
  5. Step 5: Solve for x
    x = 108,029,636,568.90/377,267.91
  6. Step 6: Final answer
    x = 286,347.27

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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.