Home / 396,295.07-546,882.28-215,005.67

Finding the Fourth Proportional to 396,295.07, 546,882.28 and 215,005.67

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Solution

The fourth proportional to 396,295.07, 546,882.28 and 215,005.67 is: 296,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,295.07 : 546,882.28 = 215,005.67 : x
  2. Step 2: Convert to fraction form
    396,295.07/546,882.28 = 215,005.67/x
  3. Step 3: Cross multiply
    396,295.07x = 546,882.28 × 215,005.67
  4. Step 4: Simplify right side
    396,295.07x = 117,582,794,087.03
  5. Step 5: Solve for x
    x = 117,582,794,087.03/396,295.07
  6. Step 6: Final answer
    x = 296,705.17

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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.