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Finding the Fourth Proportional to 370,005.88, 510,608.76 and 200,240.16

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Solution

The fourth proportional to 370,005.88, 510,608.76 and 200,240.16 is: 276,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.88 : 510,608.76 = 200,240.16 : x
  2. Step 2: Convert to fraction form
    370,005.88/510,608.76 = 200,240.16/x
  3. Step 3: Cross multiply
    370,005.88x = 510,608.76 × 200,240.16
  4. Step 4: Simplify right side
    370,005.88x = 102,244,379,799.80
  5. Step 5: Solve for x
    x = 102,244,379,799.80/370,005.88
  6. Step 6: Final answer
    x = 276,331.77

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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.