Home / 284,779.27-426,958-172,433.08

Finding the Fourth Proportional to 284,779.27, 426,958 and 172,433.08

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Solution

The fourth proportional to 284,779.27, 426,958 and 172,433.08 is: 258,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,779.27 : 426,958 = 172,433.08 : x
  2. Step 2: Convert to fraction form
    284,779.27/426,958 = 172,433.08/x
  3. Step 3: Cross multiply
    284,779.27x = 426,958 × 172,433.08
  4. Step 4: Simplify right side
    284,779.27x = 73,621,682,970.64
  5. Step 5: Solve for x
    x = 73,621,682,970.64/284,779.27
  6. Step 6: Final answer
    x = 258,521.92

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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.