Finding the Fourth Proportional to 282,929.68, 424,581.48 and 133,212.78
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Solution
The fourth proportional to 282,929.68, 424,581.48 and 133,212.78 is: 199,907.20
Step by Step Solution
- Step 1: Write the proportion equation
282,929.68 : 424,581.48 = 133,212.78 : x - Step 2: Convert to fraction form
282,929.68/424,581.48 = 133,212.78/x - Step 3: Cross multiply
282,929.68x = 424,581.48 × 133,212.78 - Step 4: Simplify right side
282,929.68x = 56,559,679,287.31 - Step 5: Solve for x
x = 56,559,679,287.31/282,929.68 - Step 6: Final answer
x = 199,907.20
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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.