Finding the Fourth Proportional to 304,372.35, 420,046.20 and 168,404.09
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Solution
The fourth proportional to 304,372.35, 420,046.20 and 168,404.09 is: 232,404.47
Step by Step Solution
- Step 1: Write the proportion equation
304,372.35 : 420,046.20 = 168,404.09 : x - Step 2: Convert to fraction form
304,372.35/420,046.20 = 168,404.09/x - Step 3: Cross multiply
304,372.35x = 420,046.20 × 168,404.09 - Step 4: Simplify right side
304,372.35x = 70,737,495,968.73 - Step 5: Solve for x
x = 70,737,495,968.73/304,372.35 - Step 6: Final answer
x = 232,404.47
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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.