Finding the Fourth Proportional to 342,229.19, 472,293.99 and 197,056.53
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Solution
The fourth proportional to 342,229.19, 472,293.99 and 197,056.53 is: 271,948.21
Step by Step Solution
- Step 1: Write the proportion equation
342,229.19 : 472,293.99 = 197,056.53 : x - Step 2: Convert to fraction form
342,229.19/472,293.99 = 197,056.53/x - Step 3: Cross multiply
342,229.19x = 472,293.99 × 197,056.53 - Step 4: Simplify right side
342,229.19x = 93,068,614,809.25 - Step 5: Solve for x
x = 93,068,614,809.25/342,229.19 - Step 6: Final answer
x = 271,948.21
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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.