Home / 308,272.08-462,438.90-83,636.22

Finding the Fourth Proportional to 308,272.08, 462,438.90 and 83,636.22

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Solution

The fourth proportional to 308,272.08, 462,438.90 and 83,636.22 is: 125,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,272.08 : 462,438.90 = 83,636.22 : x
  2. Step 2: Convert to fraction form
    308,272.08/462,438.90 = 83,636.22/x
  3. Step 3: Cross multiply
    308,272.08x = 462,438.90 × 83,636.22
  4. Step 4: Simplify right side
    308,272.08x = 38,676,641,576.96
  5. Step 5: Solve for x
    x = 38,676,641,576.96/308,272.08
  6. Step 6: Final answer
    x = 125,462.68

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1.5x scale

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.