Home / 199,417.01-275,297.03-153,993.02

Finding the Fourth Proportional to 199,417.01, 275,297.03 and 153,993.02

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Solution

The fourth proportional to 199,417.01, 275,297.03 and 153,993.02 is: 212,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417.01 : 275,297.03 = 153,993.02 : x
  2. Step 2: Convert to fraction form
    199,417.01/275,297.03 = 153,993.02/x
  3. Step 3: Cross multiply
    199,417.01x = 275,297.03 × 153,993.02
  4. Step 4: Simplify right side
    199,417.01x = 42,393,819,477.75
  5. Step 5: Solve for x
    x = 42,393,819,477.75/199,417.01
  6. Step 6: Final answer
    x = 212,588.79

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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.