Finding the Fourth Proportional to 284,583.68, 392,750.33 and 157,283.87
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Solution
The fourth proportional to 284,583.68, 392,750.33 and 157,283.87 is: 217,065.47
Step by Step Solution
- Step 1: Write the proportion equation
284,583.68 : 392,750.33 = 157,283.87 : x - Step 2: Convert to fraction form
284,583.68/392,750.33 = 157,283.87/x - Step 3: Cross multiply
284,583.68x = 392,750.33 × 157,283.87 - Step 4: Simplify right side
284,583.68x = 61,773,291,059.76 - Step 5: Solve for x
x = 61,773,291,059.76/284,583.68 - Step 6: Final answer
x = 217,065.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.