Home / 377,501.19-520,974.06-216,366.65

Finding the Fourth Proportional to 377,501.19, 520,974.06 and 216,366.65

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Solution

The fourth proportional to 377,501.19, 520,974.06 and 216,366.65 is: 298,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,501.19 : 520,974.06 = 216,366.65 : x
  2. Step 2: Convert to fraction form
    377,501.19/520,974.06 = 216,366.65/x
  3. Step 3: Cross multiply
    377,501.19x = 520,974.06 × 216,366.65
  4. Step 4: Simplify right side
    377,501.19x = 112,721,409,494.23
  5. Step 5: Solve for x
    x = 112,721,409,494.23/377,501.19
  6. Step 6: Final answer
    x = 298,598.82

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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.