Finding the Fourth Proportional to 282,930.68, 424,582.98 and 133,213.78
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Solution
The fourth proportional to 282,930.68, 424,582.98 and 133,213.78 is: 199,908.70
Step by Step Solution
- Step 1: Write the proportion equation
282,930.68 : 424,582.98 = 133,213.78 : x - Step 2: Convert to fraction form
282,930.68/424,582.98 = 133,213.78/x - Step 3: Cross multiply
282,930.68x = 424,582.98 × 133,213.78 - Step 4: Simplify right side
282,930.68x = 56,560,303,689.46 - Step 5: Solve for x
x = 56,560,303,689.46/282,930.68 - Step 6: Final answer
x = 199,908.70
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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.