Home / 309,040.06-426,491.04-173,066.04

Finding the Fourth Proportional to 309,040.06, 426,491.04 and 173,066.04

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Solution

The fourth proportional to 309,040.06, 426,491.04 and 173,066.04 is: 238,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,040.06 : 426,491.04 = 173,066.04 : x
  2. Step 2: Convert to fraction form
    309,040.06/426,491.04 = 173,066.04/x
  3. Step 3: Cross multiply
    309,040.06x = 426,491.04 × 173,066.04
  4. Step 4: Simplify right side
    309,040.06x = 73,811,115,388.28
  5. Step 5: Solve for x
    x = 73,811,115,388.28/309,040.06
  6. Step 6: Final answer
    x = 238,839.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.