Home / 251,021.08-346,445.34-150,428.44

Finding the Fourth Proportional to 251,021.08, 346,445.34 and 150,428.44

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Solution

The fourth proportional to 251,021.08, 346,445.34 and 150,428.44 is: 207,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,021.08 : 346,445.34 = 150,428.44 : x
  2. Step 2: Convert to fraction form
    251,021.08/346,445.34 = 150,428.44/x
  3. Step 3: Cross multiply
    251,021.08x = 346,445.34 × 150,428.44
  4. Step 4: Simplify right side
    251,021.08x = 52,115,232,041.47
  5. Step 5: Solve for x
    x = 52,115,232,041.47/251,021.08
  6. Step 6: Final answer
    x = 207,612.97

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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.