Home / 202,110.30-302,647.05-192,779.10

Finding the Fourth Proportional to 202,110.30, 302,647.05 and 192,779.10

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Solution

The fourth proportional to 202,110.30, 302,647.05 and 192,779.10 is: 288,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,110.30 : 302,647.05 = 192,779.10 : x
  2. Step 2: Convert to fraction form
    202,110.30/302,647.05 = 192,779.10/x
  3. Step 3: Cross multiply
    202,110.30x = 302,647.05 × 192,779.10
  4. Step 4: Simplify right side
    202,110.30x = 58,344,025,916.66
  5. Step 5: Solve for x
    x = 58,344,025,916.66/202,110.30
  6. Step 6: Final answer
    x = 288,674.18

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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.