Finding the Fourth Proportional to 103,283.04, 154,905.92 and 27,382.08
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Solution
The fourth proportional to 103,283.04, 154,905.92 and 27,382.08 is: 41,068.18
Step by Step Solution
- Step 1: Write the proportion equation
103,283.04 : 154,905.92 = 27,382.08 : x - Step 2: Convert to fraction form
103,283.04/154,905.92 = 27,382.08/x - Step 3: Cross multiply
103,283.04x = 154,905.92 × 27,382.08 - Step 4: Simplify right side
103,283.04x = 4,241,646,293.91 - Step 5: Solve for x
x = 4,241,646,293.91/103,283.04 - Step 6: Final answer
x = 41,068.18
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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.