Finding the Fourth Proportional to 155,166.87, 232,743.97 and 53,988.08
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Solution
The fourth proportional to 155,166.87, 232,743.97 and 53,988.08 is: 80,979.92
Step by Step Solution
- Step 1: Write the proportion equation
155,166.87 : 232,743.97 = 53,988.08 : x - Step 2: Convert to fraction form
155,166.87/232,743.97 = 53,988.08/x - Step 3: Cross multiply
155,166.87x = 232,743.97 × 53,988.08 - Step 4: Simplify right side
155,166.87x = 12,565,400,071.88 - Step 5: Solve for x
x = 12,565,400,071.88/155,166.87 - Step 6: Final answer
x = 80,979.92
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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.