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Finding the Fourth Proportional to 296,572.10, 444,858.15 and 217,840.10

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Solution

The fourth proportional to 296,572.10, 444,858.15 and 217,840.10 is: 326,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,572.10 : 444,858.15 = 217,840.10 : x
  2. Step 2: Convert to fraction form
    296,572.10/444,858.15 = 217,840.10/x
  3. Step 3: Cross multiply
    296,572.10x = 444,858.15 × 217,840.10
  4. Step 4: Simplify right side
    296,572.10x = 96,907,943,881.82
  5. Step 5: Solve for x
    x = 96,907,943,881.82/296,572.10
  6. Step 6: Final answer
    x = 326,760.15

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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.