Home / 578,021.60-867,097.20-178,659.20

Finding the Fourth Proportional to 578,021.60, 867,097.20 and 178,659.20

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Solution

The fourth proportional to 578,021.60, 867,097.20 and 178,659.20 is: 268,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,021.60 : 867,097.20 = 178,659.20 : x
  2. Step 2: Convert to fraction form
    578,021.60/867,097.20 = 178,659.20/x
  3. Step 3: Cross multiply
    578,021.60x = 867,097.20 × 178,659.20
  4. Step 4: Simplify right side
    578,021.60x = 154,914,892,074.24
  5. Step 5: Solve for x
    x = 154,914,892,074.24/578,021.60
  6. Step 6: Final answer
    x = 268,008.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.