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Finding the Fourth Proportional to 400,750.02, 601,125.03 and 178,978.50

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Solution

The fourth proportional to 400,750.02, 601,125.03 and 178,978.50 is: 268,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,750.02 : 601,125.03 = 178,978.50 : x
  2. Step 2: Convert to fraction form
    400,750.02/601,125.03 = 178,978.50/x
  3. Step 3: Cross multiply
    400,750.02x = 601,125.03 × 178,978.50
  4. Step 4: Simplify right side
    400,750.02x = 107,588,456,181.86
  5. Step 5: Solve for x
    x = 107,588,456,181.86/400,750.02
  6. Step 6: Final answer
    x = 268,467.75

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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.