Finding the Fourth Proportional to 248,110.68, 342,246.98 and 156,083.62
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Solution
The fourth proportional to 248,110.68, 342,246.98 and 156,083.62 is: 215,303.70
Step by Step Solution
- Step 1: Write the proportion equation
248,110.68 : 342,246.98 = 156,083.62 : x - Step 2: Convert to fraction form
248,110.68/342,246.98 = 156,083.62/x - Step 3: Cross multiply
248,110.68x = 342,246.98 × 156,083.62 - Step 4: Simplify right side
248,110.68x = 53,419,147,572.47 - Step 5: Solve for x
x = 53,419,147,572.47/248,110.68 - Step 6: Final answer
x = 215,303.70
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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.