Home / 245,337.21-338,567.22-136,443.07

Finding the Fourth Proportional to 245,337.21, 338,567.22 and 136,443.07

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Solution

The fourth proportional to 245,337.21, 338,567.22 and 136,443.07 is: 188,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,337.21 : 338,567.22 = 136,443.07 : x
  2. Step 2: Convert to fraction form
    245,337.21/338,567.22 = 136,443.07/x
  3. Step 3: Cross multiply
    245,337.21x = 338,567.22 × 136,443.07
  4. Step 4: Simplify right side
    245,337.21x = 46,195,151,321.37
  5. Step 5: Solve for x
    x = 46,195,151,321.37/245,337.21
  6. Step 6: Final answer
    x = 188,292.48

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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.