Home / 255,728.13-353,056.04-227,355.32

Finding the Fourth Proportional to 255,728.13, 353,056.04 and 227,355.32

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Solution

The fourth proportional to 255,728.13, 353,056.04 and 227,355.32 is: 313,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,728.13 : 353,056.04 = 227,355.32 : x
  2. Step 2: Convert to fraction form
    255,728.13/353,056.04 = 227,355.32/x
  3. Step 3: Cross multiply
    255,728.13x = 353,056.04 × 227,355.32
  4. Step 4: Simplify right side
    255,728.13x = 80,269,166,050.08
  5. Step 5: Solve for x
    x = 80,269,166,050.08/255,728.13
  6. Step 6: Final answer
    x = 313,884.77

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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.