Home / 353,496.52-487,664.04-210,175.12

Finding the Fourth Proportional to 353,496.52, 487,664.04 and 210,175.12

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Solution

The fourth proportional to 353,496.52, 487,664.04 and 210,175.12 is: 289,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,496.52 : 487,664.04 = 210,175.12 : x
  2. Step 2: Convert to fraction form
    353,496.52/487,664.04 = 210,175.12/x
  3. Step 3: Cross multiply
    353,496.52x = 487,664.04 × 210,175.12
  4. Step 4: Simplify right side
    353,496.52x = 102,494,848,126.69
  5. Step 5: Solve for x
    x = 102,494,848,126.69/353,496.52
  6. Step 6: Final answer
    x = 289,945.85

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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.