Home / 258,943.59-388,259.87-101,246.31

Finding the Fourth Proportional to 258,943.59, 388,259.87 and 101,246.31

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Solution

The fourth proportional to 258,943.59, 388,259.87 and 101,246.31 is: 151,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,943.59 : 388,259.87 = 101,246.31 : x
  2. Step 2: Convert to fraction form
    258,943.59/388,259.87 = 101,246.31/x
  3. Step 3: Cross multiply
    258,943.59x = 388,259.87 × 101,246.31
  4. Step 4: Simplify right side
    258,943.59x = 39,309,878,652.35
  5. Step 5: Solve for x
    x = 39,309,878,652.35/258,943.59
  6. Step 6: Final answer
    x = 151,808.66

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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.