Home / 371,784.44-513,061.27-210,670.20

Finding the Fourth Proportional to 371,784.44, 513,061.27 and 210,670.20

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Solution

The fourth proportional to 371,784.44, 513,061.27 and 210,670.20 is: 290,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,784.44 : 513,061.27 = 210,670.20 : x
  2. Step 2: Convert to fraction form
    371,784.44/513,061.27 = 210,670.20/x
  3. Step 3: Cross multiply
    371,784.44x = 513,061.27 × 210,670.20
  4. Step 4: Simplify right side
    371,784.44x = 108,086,719,836.48
  5. Step 5: Solve for x
    x = 108,086,719,836.48/371,784.44
  6. Step 6: Final answer
    x = 290,724.16

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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.