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Finding the Fourth Proportional to 251,172.20, 376,102.20 and 239,362.40

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Solution

The fourth proportional to 251,172.20, 376,102.20 and 239,362.40 is: 358,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,172.20 : 376,102.20 = 239,362.40 : x
  2. Step 2: Convert to fraction form
    251,172.20/376,102.20 = 239,362.40/x
  3. Step 3: Cross multiply
    251,172.20x = 376,102.20 × 239,362.40
  4. Step 4: Simplify right side
    251,172.20x = 90,024,725,237.28
  5. Step 5: Solve for x
    x = 90,024,725,237.28/251,172.20
  6. Step 6: Final answer
    x = 358,418.35

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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.