Home / 352,220.31-486,064.03-201,320.55

Finding the Fourth Proportional to 352,220.31, 486,064.03 and 201,320.55

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Solution

The fourth proportional to 352,220.31, 486,064.03 and 201,320.55 is: 277,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,220.31 : 486,064.03 = 201,320.55 : x
  2. Step 2: Convert to fraction form
    352,220.31/486,064.03 = 201,320.55/x
  3. Step 3: Cross multiply
    352,220.31x = 486,064.03 × 201,320.55
  4. Step 4: Simplify right side
    352,220.31x = 97,854,677,854.82
  5. Step 5: Solve for x
    x = 97,854,677,854.82/352,220.31
  6. Step 6: Final answer
    x = 277,822.36

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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.