Home / 251,407.21-346,949.17-153,296.20

Finding the Fourth Proportional to 251,407.21, 346,949.17 and 153,296.20

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Solution

The fourth proportional to 251,407.21, 346,949.17 and 153,296.20 is: 211,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,407.21 : 346,949.17 = 153,296.20 : x
  2. Step 2: Convert to fraction form
    251,407.21/346,949.17 = 153,296.20/x
  3. Step 3: Cross multiply
    251,407.21x = 346,949.17 × 153,296.20
  4. Step 4: Simplify right side
    251,407.21x = 53,185,989,354.15
  5. Step 5: Solve for x
    x = 53,185,989,354.15/251,407.21
  6. Step 6: Final answer
    x = 211,553.16

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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.