Home / 255,724.23-353,064.04-228,820.08

Finding the Fourth Proportional to 255,724.23, 353,064.04 and 228,820.08

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Solution

The fourth proportional to 255,724.23, 353,064.04 and 228,820.08 is: 315,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,724.23 : 353,064.04 = 228,820.08 : x
  2. Step 2: Convert to fraction form
    255,724.23/353,064.04 = 228,820.08/x
  3. Step 3: Cross multiply
    255,724.23x = 353,064.04 × 228,820.08
  4. Step 4: Simplify right side
    255,724.23x = 80,788,141,305.87
  5. Step 5: Solve for x
    x = 80,788,141,305.87/255,724.23
  6. Step 6: Final answer
    x = 315,918.99

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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.