Finding the Fourth Proportional to 98,194.18, 135,508.92 and 55,753.66
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Solution
The fourth proportional to 98,194.18, 135,508.92 and 55,753.66 is: 76,940.59
Step by Step Solution
- Step 1: Write the proportion equation
98,194.18 : 135,508.92 = 55,753.66 : x - Step 2: Convert to fraction form
98,194.18/135,508.92 = 55,753.66/x - Step 3: Cross multiply
98,194.18x = 135,508.92 × 55,753.66 - Step 4: Simplify right side
98,194.18x = 7,555,118,252.65 - Step 5: Solve for x
x = 7,555,118,252.65/98,194.18 - Step 6: Final answer
x = 76,940.59
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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.