Home / 372,071.44-513,459.30-202,305.16

Finding the Fourth Proportional to 372,071.44, 513,459.30 and 202,305.16

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Solution

The fourth proportional to 372,071.44, 513,459.30 and 202,305.16 is: 279,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,071.44 : 513,459.30 = 202,305.16 : x
  2. Step 2: Convert to fraction form
    372,071.44/513,459.30 = 202,305.16/x
  3. Step 3: Cross multiply
    372,071.44x = 513,459.30 × 202,305.16
  4. Step 4: Simplify right side
    372,071.44x = 103,875,465,839.99
  5. Step 5: Solve for x
    x = 103,875,465,839.99/372,071.44
  6. Step 6: Final answer
    x = 279,181.51

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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.