Home / 348,261.12-480,314.88-233,558.64

Finding the Fourth Proportional to 348,261.12, 480,314.88 and 233,558.64

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Solution

The fourth proportional to 348,261.12, 480,314.88 and 233,558.64 is: 322,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,261.12 : 480,314.88 = 233,558.64 : x
  2. Step 2: Convert to fraction form
    348,261.12/480,314.88 = 233,558.64/x
  3. Step 3: Cross multiply
    348,261.12x = 480,314.88 × 233,558.64
  4. Step 4: Simplify right side
    348,261.12x = 112,181,690,144.56
  5. Step 5: Solve for x
    x = 112,181,690,144.56/348,261.12
  6. Step 6: Final answer
    x = 322,119.48

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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.