Finding the Fourth Proportional to 282,770.92, 390,231.33 and 153,718.07
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Solution
The fourth proportional to 282,770.92, 390,231.33 and 153,718.07 is: 212,135.00
Step by Step Solution
- Step 1: Write the proportion equation
282,770.92 : 390,231.33 = 153,718.07 : x - Step 2: Convert to fraction form
282,770.92/390,231.33 = 153,718.07/x - Step 3: Cross multiply
282,770.92x = 390,231.33 × 153,718.07 - Step 4: Simplify right side
282,770.92x = 59,985,606,901.13 - Step 5: Solve for x
x = 59,985,606,901.13/282,770.92 - Step 6: Final answer
x = 212,135.00
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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.