Finding the Fourth Proportional to 621,114.14, 857,167.92 and 349,267.62
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Solution
The fourth proportional to 621,114.14, 857,167.92 and 349,267.62 is: 482,006.41
Step by Step Solution
- Step 1: Write the proportion equation
621,114.14 : 857,167.92 = 349,267.62 : x - Step 2: Convert to fraction form
621,114.14/857,167.92 = 349,267.62/x - Step 3: Cross multiply
621,114.14x = 857,167.92 × 349,267.62 - Step 4: Simplify right side
621,114.14x = 299,380,999,358.75 - Step 5: Solve for x
x = 299,380,999,358.75/621,114.14 - Step 6: Final answer
x = 482,006.41
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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.