Home / 199,402.12-298,719.30-157,058.20

Finding the Fourth Proportional to 199,402.12, 298,719.30 and 157,058.20

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Solution

The fourth proportional to 199,402.12, 298,719.30 and 157,058.20 is: 235,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,402.12 : 298,719.30 = 157,058.20 : x
  2. Step 2: Convert to fraction form
    199,402.12/298,719.30 = 157,058.20/x
  3. Step 3: Cross multiply
    199,402.12x = 298,719.30 × 157,058.20
  4. Step 4: Simplify right side
    199,402.12x = 46,916,315,563.26
  5. Step 5: Solve for x
    x = 46,916,315,563.26/199,402.12
  6. Step 6: Final answer
    x = 235,284.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.