Home / 245,330.51-338,506.41-143,336.27

Finding the Fourth Proportional to 245,330.51, 338,506.41 and 143,336.27

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Solution

The fourth proportional to 245,330.51, 338,506.41 and 143,336.27 is: 197,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,330.51 : 338,506.41 = 143,336.27 : x
  2. Step 2: Convert to fraction form
    245,330.51/338,506.41 = 143,336.27/x
  3. Step 3: Cross multiply
    245,330.51x = 338,506.41 × 143,336.27
  4. Step 4: Simplify right side
    245,330.51x = 48,520,247,026.76
  5. Step 5: Solve for x
    x = 48,520,247,026.76/245,330.51
  6. Step 6: Final answer
    x = 197,775.02

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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.