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Finding the Fourth Proportional to 199,215.88, 298,911.85 and 104,423.39

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Solution

The fourth proportional to 199,215.88, 298,911.85 and 104,423.39 is: 156,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,215.88 : 298,911.85 = 104,423.39 : x
  2. Step 2: Convert to fraction form
    199,215.88/298,911.85 = 104,423.39/x
  3. Step 3: Cross multiply
    199,215.88x = 298,911.85 × 104,423.39
  4. Step 4: Simplify right side
    199,215.88x = 31,213,390,322.23
  5. Step 5: Solve for x
    x = 31,213,390,322.23/199,215.88
  6. Step 6: Final answer
    x = 156,681.24

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1.5x scale

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.