Finding the Fourth Proportional to 212,740.28, 293,569.62 and 117,246.68
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Solution
The fourth proportional to 212,740.28, 293,569.62 and 117,246.68 is: 161,793.82
Step by Step Solution
- Step 1: Write the proportion equation
212,740.28 : 293,569.62 = 117,246.68 : x - Step 2: Convert to fraction form
212,740.28/293,569.62 = 117,246.68/x - Step 3: Cross multiply
212,740.28x = 293,569.62 × 117,246.68 - Step 4: Simplify right side
212,740.28x = 34,420,063,293.86 - Step 5: Solve for x
x = 34,420,063,293.86/212,740.28 - Step 6: Final answer
x = 161,793.82
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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.