Home / 248,585.68-343,047.72-135,408.16

Finding the Fourth Proportional to 248,585.68, 343,047.72 and 135,408.16

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Solution

The fourth proportional to 248,585.68, 343,047.72 and 135,408.16 is: 186,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,585.68 : 343,047.72 = 135,408.16 : x
  2. Step 2: Convert to fraction form
    248,585.68/343,047.72 = 135,408.16/x
  3. Step 3: Cross multiply
    248,585.68x = 343,047.72 × 135,408.16
  4. Step 4: Simplify right side
    248,585.68x = 46,451,460,557.40
  5. Step 5: Solve for x
    x = 46,451,460,557.40/248,585.68
  6. Step 6: Final answer
    x = 186,862.98

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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.