Home / 219,977.22-303,411.74-201,886.26

Finding the Fourth Proportional to 219,977.22, 303,411.74 and 201,886.26

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Solution

The fourth proportional to 219,977.22, 303,411.74 and 201,886.26 is: 278,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,977.22 : 303,411.74 = 201,886.26 : x
  2. Step 2: Convert to fraction form
    219,977.22/303,411.74 = 201,886.26/x
  3. Step 3: Cross multiply
    219,977.22x = 303,411.74 × 201,886.26
  4. Step 4: Simplify right side
    219,977.22x = 61,254,661,428.69
  5. Step 5: Solve for x
    x = 61,254,661,428.69/219,977.22
  6. Step 6: Final answer
    x = 278,459.11

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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.