Home / 353,265.59-487,496.08-200,317.75

Finding the Fourth Proportional to 353,265.59, 487,496.08 and 200,317.75

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Solution

The fourth proportional to 353,265.59, 487,496.08 and 200,317.75 is: 276,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,265.59 : 487,496.08 = 200,317.75 : x
  2. Step 2: Convert to fraction form
    353,265.59/487,496.08 = 200,317.75/x
  3. Step 3: Cross multiply
    353,265.59x = 487,496.08 × 200,317.75
  4. Step 4: Simplify right side
    353,265.59x = 97,654,117,879.42
  5. Step 5: Solve for x
    x = 97,654,117,879.42/353,265.59
  6. Step 6: Final answer
    x = 276,432.58

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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.