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Finding the Fourth Proportional to 372,062.60, 513,440.34 and 202,301

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Solution

The fourth proportional to 372,062.60, 513,440.34 and 202,301 is: 279,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,062.60 : 513,440.34 = 202,301 : x
  2. Step 2: Convert to fraction form
    372,062.60/513,440.34 = 202,301/x
  3. Step 3: Cross multiply
    372,062.60x = 513,440.34 × 202,301
  4. Step 4: Simplify right side
    372,062.60x = 103,869,494,222.34
  5. Step 5: Solve for x
    x = 103,869,494,222.34/372,062.60
  6. Step 6: Final answer
    x = 279,172.09

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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.