Home / 348,316.20-480,720.83-205,089.57

Finding the Fourth Proportional to 348,316.20, 480,720.83 and 205,089.57

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Solution

The fourth proportional to 348,316.20, 480,720.83 and 205,089.57 is: 283,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,316.20 : 480,720.83 = 205,089.57 : x
  2. Step 2: Convert to fraction form
    348,316.20/480,720.83 = 205,089.57/x
  3. Step 3: Cross multiply
    348,316.20x = 480,720.83 × 205,089.57
  4. Step 4: Simplify right side
    348,316.20x = 98,590,827,289.30
  5. Step 5: Solve for x
    x = 98,590,827,289.30/348,316.20
  6. Step 6: Final answer
    x = 283,049.79

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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.