Home / 372,032.19-513,401.90-202,266.32

Finding the Fourth Proportional to 372,032.19, 513,401.90 and 202,266.32

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Solution

The fourth proportional to 372,032.19, 513,401.90 and 202,266.32 is: 279,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,032.19 : 513,401.90 = 202,266.32 : x
  2. Step 2: Convert to fraction form
    372,032.19/513,401.90 = 202,266.32/x
  3. Step 3: Cross multiply
    372,032.19x = 513,401.90 × 202,266.32
  4. Step 4: Simplify right side
    372,032.19x = 103,843,909,415.67
  5. Step 5: Solve for x
    x = 103,843,909,415.67/372,032.19
  6. Step 6: Final answer
    x = 279,126.14

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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.