Home / 372,004.10-513,351.30-202,238.30

Finding the Fourth Proportional to 372,004.10, 513,351.30 and 202,238.30

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Solution

The fourth proportional to 372,004.10, 513,351.30 and 202,238.30 is: 279,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,004.10 : 513,351.30 = 202,238.30 : x
  2. Step 2: Convert to fraction form
    372,004.10/513,351.30 = 202,238.30/x
  3. Step 3: Cross multiply
    372,004.10x = 513,351.30 × 202,238.30
  4. Step 4: Simplify right side
    372,004.10x = 103,819,294,214.79
  5. Step 5: Solve for x
    x = 103,819,294,214.79/372,004.10
  6. Step 6: Final answer
    x = 279,081.05

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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.