Home / 283,513.84-425,274-121,386.10

Finding the Fourth Proportional to 283,513.84, 425,274 and 121,386.10

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Solution

The fourth proportional to 283,513.84, 425,274 and 121,386.10 is: 182,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,513.84 : 425,274 = 121,386.10 : x
  2. Step 2: Convert to fraction form
    283,513.84/425,274 = 121,386.10/x
  3. Step 3: Cross multiply
    283,513.84x = 425,274 × 121,386.10
  4. Step 4: Simplify right side
    283,513.84x = 51,622,352,291.40
  5. Step 5: Solve for x
    x = 51,622,352,291.40/283,513.84
  6. Step 6: Final answer
    x = 182,080.54

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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.