Home / 396,271.63-546,854.79-226,509.40

Finding the Fourth Proportional to 396,271.63, 546,854.79 and 226,509.40

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Solution

The fourth proportional to 396,271.63, 546,854.79 and 226,509.40 is: 312,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,271.63 : 546,854.79 = 226,509.40 : x
  2. Step 2: Convert to fraction form
    396,271.63/546,854.79 = 226,509.40/x
  3. Step 3: Cross multiply
    396,271.63x = 546,854.79 × 226,509.40
  4. Step 4: Simplify right side
    396,271.63x = 123,867,750,370.03
  5. Step 5: Solve for x
    x = 123,867,750,370.03/396,271.63
  6. Step 6: Final answer
    x = 312,582.94

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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.