Finding the Fourth Proportional to 247,769.36, 341,912.04 and 140,345.36
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Solution
The fourth proportional to 247,769.36, 341,912.04 and 140,345.36 is: 193,671.12
Step by Step Solution
- Step 1: Write the proportion equation
247,769.36 : 341,912.04 = 140,345.36 : x - Step 2: Convert to fraction form
247,769.36/341,912.04 = 140,345.36/x - Step 3: Cross multiply
247,769.36x = 341,912.04 × 140,345.36 - Step 4: Simplify right side
247,769.36x = 47,985,768,342.13 - Step 5: Solve for x
x = 47,985,768,342.13/247,769.36 - Step 6: Final answer
x = 193,671.12
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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.