Home / 396,123.12-594,561.96-245,908.80

Finding the Fourth Proportional to 396,123.12, 594,561.96 and 245,908.80

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Solution

The fourth proportional to 396,123.12, 594,561.96 and 245,908.80 is: 369,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,123.12 : 594,561.96 = 245,908.80 : x
  2. Step 2: Convert to fraction form
    396,123.12/594,561.96 = 245,908.80/x
  3. Step 3: Cross multiply
    396,123.12x = 594,561.96 × 245,908.80
  4. Step 4: Simplify right side
    396,123.12x = 146,208,018,109.25
  5. Step 5: Solve for x
    x = 146,208,018,109.25/396,123.12
  6. Step 6: Final answer
    x = 369,097.41

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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.