Finding the Fourth Proportional to 327,657.68, 491,572.36 and 103,009.04
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Solution
The fourth proportional to 327,657.68, 491,572.36 and 103,009.04 is: 154,540.55
Step by Step Solution
- Step 1: Write the proportion equation
327,657.68 : 491,572.36 = 103,009.04 : x - Step 2: Convert to fraction form
327,657.68/491,572.36 = 103,009.04/x - Step 3: Cross multiply
327,657.68x = 491,572.36 × 103,009.04 - Step 4: Simplify right side
327,657.68x = 50,636,396,894.13 - Step 5: Solve for x
x = 50,636,396,894.13/327,657.68 - Step 6: Final answer
x = 154,540.55
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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.