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Finding the Fourth Proportional to 299,415.27, 413,262.54 and 197,459.13

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Solution

The fourth proportional to 299,415.27, 413,262.54 and 197,459.13 is: 272,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,415.27 : 413,262.54 = 197,459.13 : x
  2. Step 2: Convert to fraction form
    299,415.27/413,262.54 = 197,459.13/x
  3. Step 3: Cross multiply
    299,415.27x = 413,262.54 × 197,459.13
  4. Step 4: Simplify right side
    299,415.27x = 81,602,461,609.99
  5. Step 5: Solve for x
    x = 81,602,461,609.99/299,415.27
  6. Step 6: Final answer
    x = 272,539.41

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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.