Home / 258,221.01-356,353.64-143,504.49

Finding the Fourth Proportional to 258,221.01, 356,353.64 and 143,504.49

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Solution

The fourth proportional to 258,221.01, 356,353.64 and 143,504.49 is: 198,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,221.01 : 356,353.64 = 143,504.49 : x
  2. Step 2: Convert to fraction form
    258,221.01/356,353.64 = 143,504.49/x
  3. Step 3: Cross multiply
    258,221.01x = 356,353.64 × 143,504.49
  4. Step 4: Simplify right side
    258,221.01x = 51,138,346,390.28
  5. Step 5: Solve for x
    x = 51,138,346,390.28/258,221.01
  6. Step 6: Final answer
    x = 198,041.00

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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.