Home / 386,525.27-579,778.41-149,868.02

Finding the Fourth Proportional to 386,525.27, 579,778.41 and 149,868.02

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Solution

The fourth proportional to 386,525.27, 579,778.41 and 149,868.02 is: 224,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,525.27 : 579,778.41 = 149,868.02 : x
  2. Step 2: Convert to fraction form
    386,525.27/579,778.41 = 149,868.02/x
  3. Step 3: Cross multiply
    386,525.27x = 579,778.41 × 149,868.02
  4. Step 4: Simplify right side
    386,525.27x = 86,890,243,513.89
  5. Step 5: Solve for x
    x = 86,890,243,513.89/386,525.27
  6. Step 6: Final answer
    x = 224,798.35

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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.