Home / 306,724.70-423,284.46-170,764.58

Finding the Fourth Proportional to 306,724.70, 423,284.46 and 170,764.58

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Solution

The fourth proportional to 306,724.70, 423,284.46 and 170,764.58 is: 235,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,724.70 : 423,284.46 = 170,764.58 : x
  2. Step 2: Convert to fraction form
    306,724.70/423,284.46 = 170,764.58/x
  3. Step 3: Cross multiply
    306,724.70x = 423,284.46 × 170,764.58
  4. Step 4: Simplify right side
    306,724.70x = 72,281,993,032.43
  5. Step 5: Solve for x
    x = 72,281,993,032.43/306,724.70
  6. Step 6: Final answer
    x = 235,657.56

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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.