Finding the Fourth Proportional to 98,778.08, 148,140.80 and 27,696.80
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Solution
The fourth proportional to 98,778.08, 148,140.80 and 27,696.80 is: 41,537.82
Step by Step Solution
- Step 1: Write the proportion equation
98,778.08 : 148,140.80 = 27,696.80 : x - Step 2: Convert to fraction form
98,778.08/148,140.80 = 27,696.80/x - Step 3: Cross multiply
98,778.08x = 148,140.80 × 27,696.80 - Step 4: Simplify right side
98,778.08x = 4,103,026,109.44 - Step 5: Solve for x
x = 4,103,026,109.44/98,778.08 - Step 6: Final answer
x = 41,537.82
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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.