Home / 338,146.18-507,029.27-231,650.21

Finding the Fourth Proportional to 338,146.18, 507,029.27 and 231,650.21

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Solution

The fourth proportional to 338,146.18, 507,029.27 and 231,650.21 is: 347,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,146.18 : 507,029.27 = 231,650.21 : x
  2. Step 2: Convert to fraction form
    338,146.18/507,029.27 = 231,650.21/x
  3. Step 3: Cross multiply
    338,146.18x = 507,029.27 × 231,650.21
  4. Step 4: Simplify right side
    338,146.18x = 117,453,436,980.97
  5. Step 5: Solve for x
    x = 117,453,436,980.97/338,146.18
  6. Step 6: Final answer
    x = 347,345.16

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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.