Home / 238,724.45-358,244.42-112,400.81

Finding the Fourth Proportional to 238,724.45, 358,244.42 and 112,400.81

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Solution

The fourth proportional to 238,724.45, 358,244.42 and 112,400.81 is: 168,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,724.45 : 358,244.42 = 112,400.81 : x
  2. Step 2: Convert to fraction form
    238,724.45/358,244.42 = 112,400.81/x
  3. Step 3: Cross multiply
    238,724.45x = 358,244.42 × 112,400.81
  4. Step 4: Simplify right side
    238,724.45x = 40,266,964,623.55
  5. Step 5: Solve for x
    x = 40,266,964,623.55/238,724.45
  6. Step 6: Final answer
    x = 168,675.50

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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.