Home / 256,412.04-351,965.25-227,485.32

Finding the Fourth Proportional to 256,412.04, 351,965.25 and 227,485.32

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Solution

The fourth proportional to 256,412.04, 351,965.25 and 227,485.32 is: 312,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,412.04 : 351,965.25 = 227,485.32 : x
  2. Step 2: Convert to fraction form
    256,412.04/351,965.25 = 227,485.32/x
  3. Step 3: Cross multiply
    256,412.04x = 351,965.25 × 227,485.32
  4. Step 4: Simplify right side
    256,412.04x = 80,066,927,525.13
  5. Step 5: Solve for x
    x = 80,066,927,525.13/256,412.04
  6. Step 6: Final answer
    x = 312,258.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.