Home / 249,022.31-343,650.08-135,844.25

Finding the Fourth Proportional to 249,022.31, 343,650.08 and 135,844.25

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Solution

The fourth proportional to 249,022.31, 343,650.08 and 135,844.25 is: 187,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,022.31 : 343,650.08 = 135,844.25 : x
  2. Step 2: Convert to fraction form
    249,022.31/343,650.08 = 135,844.25/x
  3. Step 3: Cross multiply
    249,022.31x = 343,650.08 × 135,844.25
  4. Step 4: Simplify right side
    249,022.31x = 46,682,886,700.82
  5. Step 5: Solve for x
    x = 46,682,886,700.82/249,022.31
  6. Step 6: Final answer
    x = 187,464.68

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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.