Home / 293,172.10-439,830.15-82,807.30

Finding the Fourth Proportional to 293,172.10, 439,830.15 and 82,807.30

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Solution

The fourth proportional to 293,172.10, 439,830.15 and 82,807.30 is: 124,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,172.10 : 439,830.15 = 82,807.30 : x
  2. Step 2: Convert to fraction form
    293,172.10/439,830.15 = 82,807.30/x
  3. Step 3: Cross multiply
    293,172.10x = 439,830.15 × 82,807.30
  4. Step 4: Simplify right side
    293,172.10x = 36,421,147,180.10
  5. Step 5: Solve for x
    x = 36,421,147,180.10/293,172.10
  6. Step 6: Final answer
    x = 124,231.29

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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.