Finding the Fourth Proportional to 621,809.12, 932,737.80 and 195,635.60
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Solution
The fourth proportional to 621,809.12, 932,737.80 and 195,635.60 is: 293,460.99
Step by Step Solution
- Step 1: Write the proportion equation
621,809.12 : 932,737.80 = 195,635.60 : x - Step 2: Convert to fraction form
621,809.12/932,737.80 = 195,635.60/x - Step 3: Cross multiply
621,809.12x = 932,737.80 × 195,635.60 - Step 4: Simplify right side
621,809.12x = 182,476,719,145.68 - Step 5: Solve for x
x = 182,476,719,145.68/621,809.12 - Step 6: Final answer
x = 293,460.99
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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.