Home / 378,982.35-523,083.60-249,944.13

Finding the Fourth Proportional to 378,982.35, 523,083.60 and 249,944.13

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Solution

The fourth proportional to 378,982.35, 523,083.60 and 249,944.13 is: 344,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,982.35 : 523,083.60 = 249,944.13 : x
  2. Step 2: Convert to fraction form
    378,982.35/523,083.60 = 249,944.13/x
  3. Step 3: Cross multiply
    378,982.35x = 523,083.60 × 249,944.13
  4. Step 4: Simplify right side
    378,982.35x = 130,741,675,319.27
  5. Step 5: Solve for x
    x = 130,741,675,319.27/378,982.35
  6. Step 6: Final answer
    x = 344,980.91

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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.