Finding the Fourth Proportional to 283,152.49, 390,750.48 and 155,828.08
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Solution
The fourth proportional to 283,152.49, 390,750.48 and 155,828.08 is: 215,042.77
Step by Step Solution
- Step 1: Write the proportion equation
283,152.49 : 390,750.48 = 155,828.08 : x - Step 2: Convert to fraction form
283,152.49/390,750.48 = 155,828.08/x - Step 3: Cross multiply
283,152.49x = 390,750.48 × 155,828.08 - Step 4: Simplify right side
283,152.49x = 60,889,897,057.48 - Step 5: Solve for x
x = 60,889,897,057.48/283,152.49 - Step 6: Final answer
x = 215,042.77
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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.