Finding the Fourth Proportional to 78,873.08, 118,326.63 and 22,712.81
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Solution
The fourth proportional to 78,873.08, 118,326.63 and 22,712.81 is: 34,074.11
Step by Step Solution
- Step 1: Write the proportion equation
78,873.08 : 118,326.63 = 22,712.81 : x - Step 2: Convert to fraction form
78,873.08/118,326.63 = 22,712.81/x - Step 3: Cross multiply
78,873.08x = 118,326.63 × 22,712.81 - Step 4: Simplify right side
78,873.08x = 2,687,530,265.13 - Step 5: Solve for x
x = 2,687,530,265.13/78,873.08 - Step 6: Final answer
x = 34,074.11
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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.