Finding the Fourth Proportional to 199,825.99, 275,746.64 and 113,793.75
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Solution
The fourth proportional to 199,825.99, 275,746.64 and 113,793.75 is: 157,027.84
Step by Step Solution
- Step 1: Write the proportion equation
199,825.99 : 275,746.64 = 113,793.75 : x - Step 2: Convert to fraction form
199,825.99/275,746.64 = 113,793.75/x - Step 3: Cross multiply
199,825.99x = 275,746.64 × 113,793.75 - Step 4: Simplify right side
199,825.99x = 31,378,243,646.53 - Step 5: Solve for x
x = 31,378,243,646.53/199,825.99 - Step 6: Final answer
x = 157,027.84
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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.