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Finding the Fourth Proportional to 661,496.08, 991,102.92 and 362,192.08

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Solution

The fourth proportional to 661,496.08, 991,102.92 and 362,192.08 is: 542,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,496.08 : 991,102.92 = 362,192.08 : x
  2. Step 2: Convert to fraction form
    661,496.08/991,102.92 = 362,192.08/x
  3. Step 3: Cross multiply
    661,496.08x = 991,102.92 × 362,192.08
  4. Step 4: Simplify right side
    661,496.08x = 358,969,628,088.87
  5. Step 5: Solve for x
    x = 358,969,628,088.87/661,496.08
  6. Step 6: Final answer
    x = 542,663.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.