Home / 482,266.20-665,143.38-310,203.93

Finding the Fourth Proportional to 482,266.20, 665,143.38 and 310,203.93

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Solution

The fourth proportional to 482,266.20, 665,143.38 and 310,203.93 is: 427,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,266.20 : 665,143.38 = 310,203.93 : x
  2. Step 2: Convert to fraction form
    482,266.20/665,143.38 = 310,203.93/x
  3. Step 3: Cross multiply
    482,266.20x = 665,143.38 × 310,203.93
  4. Step 4: Simplify right side
    482,266.20x = 206,330,090,489.48
  5. Step 5: Solve for x
    x = 206,330,090,489.48/482,266.20
  6. Step 6: Final answer
    x = 427,834.44

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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.