Home / 245,271.89-338,399.14-143,223.74

Finding the Fourth Proportional to 245,271.89, 338,399.14 and 143,223.74

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Solution

The fourth proportional to 245,271.89, 338,399.14 and 143,223.74 is: 197,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,271.89 : 338,399.14 = 143,223.74 : x
  2. Step 2: Convert to fraction form
    245,271.89/338,399.14 = 143,223.74/x
  3. Step 3: Cross multiply
    245,271.89x = 338,399.14 × 143,223.74
  4. Step 4: Simplify right side
    245,271.89x = 48,466,788,393.53
  5. Step 5: Solve for x
    x = 48,466,788,393.53/245,271.89
  6. Step 6: Final answer
    x = 197,604.33

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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.