Home / 260,581.23-390,939.24-152,601.80

Finding the Fourth Proportional to 260,581.23, 390,939.24 and 152,601.80

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Solution

The fourth proportional to 260,581.23, 390,939.24 and 152,601.80 is: 228,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,581.23 : 390,939.24 = 152,601.80 : x
  2. Step 2: Convert to fraction form
    260,581.23/390,939.24 = 152,601.80/x
  3. Step 3: Cross multiply
    260,581.23x = 390,939.24 × 152,601.80
  4. Step 4: Simplify right side
    260,581.23x = 59,658,029,759.94
  5. Step 5: Solve for x
    x = 59,658,029,759.94/260,581.23
  6. Step 6: Final answer
    x = 228,942.16

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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.