Finding the Fourth Proportional to 282,965.79, 424,516.11 and 83,292.69
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Solution
The fourth proportional to 282,965.79, 424,516.11 and 83,292.69 is: 124,958.88
Step by Step Solution
- Step 1: Write the proportion equation
282,965.79 : 424,516.11 = 83,292.69 : x - Step 2: Convert to fraction form
282,965.79/424,516.11 = 83,292.69/x - Step 3: Cross multiply
282,965.79x = 424,516.11 × 83,292.69 - Step 4: Simplify right side
282,965.79x = 35,359,088,750.24 - Step 5: Solve for x
x = 35,359,088,750.24/282,965.79 - Step 6: Final answer
x = 124,958.88
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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.