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Finding the Fourth Proportional to 275,225.58, 379,459.67 and 178,258.14

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Solution

The fourth proportional to 275,225.58, 379,459.67 and 178,258.14 is: 245,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,225.58 : 379,459.67 = 178,258.14 : x
  2. Step 2: Convert to fraction form
    275,225.58/379,459.67 = 178,258.14/x
  3. Step 3: Cross multiply
    275,225.58x = 379,459.67 × 178,258.14
  4. Step 4: Simplify right side
    275,225.58x = 67,641,774,979.21
  5. Step 5: Solve for x
    x = 67,641,774,979.21/275,225.58
  6. Step 6: Final answer
    x = 245,768.49

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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.