Home / 245,231.46-338,408.50-143,266.36

Finding the Fourth Proportional to 245,231.46, 338,408.50 and 143,266.36

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Solution

The fourth proportional to 245,231.46, 338,408.50 and 143,266.36 is: 197,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,231.46 : 338,408.50 = 143,266.36 : x
  2. Step 2: Convert to fraction form
    245,231.46/338,408.50 = 143,266.36/x
  3. Step 3: Cross multiply
    245,231.46x = 338,408.50 × 143,266.36
  4. Step 4: Simplify right side
    245,231.46x = 48,482,553,988.06
  5. Step 5: Solve for x
    x = 48,482,553,988.06/245,231.46
  6. Step 6: Final answer
    x = 197,701.20

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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.