Home / 621,077.35-931,660.33-165,666.04

Finding the Fourth Proportional to 621,077.35, 931,660.33 and 165,666.04

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Solution

The fourth proportional to 621,077.35, 931,660.33 and 165,666.04 is: 248,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,077.35 : 931,660.33 = 165,666.04 : x
  2. Step 2: Convert to fraction form
    621,077.35/931,660.33 = 165,666.04/x
  3. Step 3: Cross multiply
    621,077.35x = 931,660.33 × 165,666.04
  4. Step 4: Simplify right side
    621,077.35x = 154,344,477,496.19
  5. Step 5: Solve for x
    x = 154,344,477,496.19/621,077.35
  6. Step 6: Final answer
    x = 248,510.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.