Finding the Fourth Proportional to 236,825.79, 355,233.69 and 76,901.55
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Solution
The fourth proportional to 236,825.79, 355,233.69 and 76,901.55 is: 115,350.70
Step by Step Solution
- Step 1: Write the proportion equation
236,825.79 : 355,233.69 = 76,901.55 : x - Step 2: Convert to fraction form
236,825.79/355,233.69 = 76,901.55/x - Step 3: Cross multiply
236,825.79x = 355,233.69 × 76,901.55 - Step 4: Simplify right side
236,825.79x = 27,318,021,373.22 - Step 5: Solve for x
x = 27,318,021,373.22/236,825.79 - Step 6: Final answer
x = 115,350.70
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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.