Home / 248,457.24-342,871.38-135,280.44

Finding the Fourth Proportional to 248,457.24, 342,871.38 and 135,280.44

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Solution

The fourth proportional to 248,457.24, 342,871.38 and 135,280.44 is: 186,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457.24 : 342,871.38 = 135,280.44 : x
  2. Step 2: Convert to fraction form
    248,457.24/342,871.38 = 135,280.44/x
  3. Step 3: Cross multiply
    248,457.24x = 342,871.38 × 135,280.44
  4. Step 4: Simplify right side
    248,457.24x = 46,383,791,149.81
  5. Step 5: Solve for x
    x = 46,383,791,149.81/248,457.24
  6. Step 6: Final answer
    x = 186,687.22

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1.5x scale

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.