Finding the Fourth Proportional to 207,841.04, 286,823.40 and 122,955.92
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Solution
The fourth proportional to 207,841.04, 286,823.40 and 122,955.92 is: 169,680.81
Step by Step Solution
- Step 1: Write the proportion equation
207,841.04 : 286,823.40 = 122,955.92 : x - Step 2: Convert to fraction form
207,841.04/286,823.40 = 122,955.92/x - Step 3: Cross multiply
207,841.04x = 286,823.40 × 122,955.92 - Step 4: Simplify right side
207,841.04x = 35,266,635,024.53 - Step 5: Solve for x
x = 35,266,635,024.53/207,841.04 - Step 6: Final answer
x = 169,680.81
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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.