Finding the Fourth Proportional to 557,902.08, 769,880.04 and 316,170.48
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Solution
The fourth proportional to 557,902.08, 769,880.04 and 316,170.48 is: 436,301.19
Step by Step Solution
- Step 1: Write the proportion equation
557,902.08 : 769,880.04 = 316,170.48 : x - Step 2: Convert to fraction form
557,902.08/769,880.04 = 316,170.48/x - Step 3: Cross multiply
557,902.08x = 769,880.04 × 316,170.48 - Step 4: Simplify right side
557,902.08x = 243,413,341,789.22 - Step 5: Solve for x
x = 243,413,341,789.22/557,902.08 - Step 6: Final answer
x = 436,301.19
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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.