Home / 331,641.13-457,738.62-210,758.84

Finding the Fourth Proportional to 331,641.13, 457,738.62 and 210,758.84

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Solution

The fourth proportional to 331,641.13, 457,738.62 and 210,758.84 is: 290,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,641.13 : 457,738.62 = 210,758.84 : x
  2. Step 2: Convert to fraction form
    331,641.13/457,738.62 = 210,758.84/x
  3. Step 3: Cross multiply
    331,641.13x = 457,738.62 × 210,758.84
  4. Step 4: Simplify right side
    331,641.13x = 96,472,460,574.40
  5. Step 5: Solve for x
    x = 96,472,460,574.40/331,641.13
  6. Step 6: Final answer
    x = 290,894.14

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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.