Finding the Fourth Proportional to 395,154.40, 545,418.48 and 244,166.08
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Solution
The fourth proportional to 395,154.40, 545,418.48 and 244,166.08 is: 337,014.32
Step by Step Solution
- Step 1: Write the proportion equation
395,154.40 : 545,418.48 = 244,166.08 : x - Step 2: Convert to fraction form
395,154.40/545,418.48 = 244,166.08/x - Step 3: Cross multiply
395,154.40x = 545,418.48 × 244,166.08 - Step 4: Simplify right side
395,154.40x = 133,172,692,221.16 - Step 5: Solve for x
x = 133,172,692,221.16/395,154.40 - Step 6: Final answer
x = 337,014.32
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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.