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Finding the Fourth Proportional to 365,879.50, 504,901.02 and 202,543.10

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Solution

The fourth proportional to 365,879.50, 504,901.02 and 202,543.10 is: 279,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,879.50 : 504,901.02 = 202,543.10 : x
  2. Step 2: Convert to fraction form
    365,879.50/504,901.02 = 202,543.10/x
  3. Step 3: Cross multiply
    365,879.50x = 504,901.02 × 202,543.10
  4. Step 4: Simplify right side
    365,879.50x = 102,264,217,783.96
  5. Step 5: Solve for x
    x = 102,264,217,783.96/365,879.50
  6. Step 6: Final answer
    x = 279,502.45

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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.