Home / 377,429.07-520,852.11-207,663.18

Finding the Fourth Proportional to 377,429.07, 520,852.11 and 207,663.18

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Solution

The fourth proportional to 377,429.07, 520,852.11 and 207,663.18 is: 286,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,429.07 : 520,852.11 = 207,663.18 : x
  2. Step 2: Convert to fraction form
    377,429.07/520,852.11 = 207,663.18/x
  3. Step 3: Cross multiply
    377,429.07x = 520,852.11 × 207,663.18
  4. Step 4: Simplify right side
    377,429.07x = 108,161,805,472.31
  5. Step 5: Solve for x
    x = 108,161,805,472.31/377,429.07
  6. Step 6: Final answer
    x = 286,575.18

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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.