Home / 852,943.29-1,279,390.34-221,857.10

Finding the Fourth Proportional to 852,943.29, 1,279,390.34 and 221,857.10

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Solution

The fourth proportional to 852,943.29, 1,279,390.34 and 221,857.10 is: 332,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,943.29 : 1,279,390.34 = 221,857.10 : x
  2. Step 2: Convert to fraction form
    852,943.29/1,279,390.34 = 221,857.10/x
  3. Step 3: Cross multiply
    852,943.29x = 1,279,390.34 × 221,857.10
  4. Step 4: Simplify right side
    852,943.29x = 283,841,823,094.18
  5. Step 5: Solve for x
    x = 283,841,823,094.18/852,943.29
  6. Step 6: Final answer
    x = 332,779.24

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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.