Finding the Fourth Proportional to 121,913.79, 182,823.50 and 41,936.63
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Solution
The fourth proportional to 121,913.79, 182,823.50 and 41,936.63 is: 62,888.70
Step by Step Solution
- Step 1: Write the proportion equation
121,913.79 : 182,823.50 = 41,936.63 : x - Step 2: Convert to fraction form
121,913.79/182,823.50 = 41,936.63/x - Step 3: Cross multiply
121,913.79x = 182,823.50 × 41,936.63 - Step 4: Simplify right side
121,913.79x = 7,667,000,351.00 - Step 5: Solve for x
x = 7,667,000,351.00/121,913.79 - Step 6: Final answer
x = 62,888.70
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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.