Finding the Fourth Proportional to 475,381.13, 656,026.16 and 274,177.13
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Solution
The fourth proportional to 475,381.13, 656,026.16 and 274,177.13 is: 378,364.55
Step by Step Solution
- Step 1: Write the proportion equation
475,381.13 : 656,026.16 = 274,177.13 : x - Step 2: Convert to fraction form
475,381.13/656,026.16 = 274,177.13/x - Step 3: Cross multiply
475,381.13x = 656,026.16 × 274,177.13 - Step 4: Simplify right side
475,381.13x = 179,867,365,102.70 - Step 5: Solve for x
x = 179,867,365,102.70/475,381.13 - Step 6: Final answer
x = 378,364.55
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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.