Home / 295,875.10-443,302.35-137,779.30

Finding the Fourth Proportional to 295,875.10, 443,302.35 and 137,779.30

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Solution

The fourth proportional to 295,875.10, 443,302.35 and 137,779.30 is: 206,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,875.10 : 443,302.35 = 137,779.30 : x
  2. Step 2: Convert to fraction form
    295,875.10/443,302.35 = 137,779.30/x
  3. Step 3: Cross multiply
    295,875.10x = 443,302.35 × 137,779.30
  4. Step 4: Simplify right side
    295,875.10x = 61,077,887,471.36
  5. Step 5: Solve for x
    x = 61,077,887,471.36/295,875.10
  6. Step 6: Final answer
    x = 206,431.32

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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.