Home / 423,019.04-634,494.92-170,121.24

Finding the Fourth Proportional to 423,019.04, 634,494.92 and 170,121.24

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Solution

The fourth proportional to 423,019.04, 634,494.92 and 170,121.24 is: 255,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,019.04 : 634,494.92 = 170,121.24 : x
  2. Step 2: Convert to fraction form
    423,019.04/634,494.92 = 170,121.24/x
  3. Step 3: Cross multiply
    423,019.04x = 634,494.92 × 170,121.24
  4. Step 4: Simplify right side
    423,019.04x = 107,941,061,713.50
  5. Step 5: Solve for x
    x = 107,941,061,713.50/423,019.04
  6. Step 6: Final answer
    x = 255,168.33

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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.