Finding the Fourth Proportional to 416,755.32, 575,125.14 and 225,768.79
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Solution
The fourth proportional to 416,755.32, 575,125.14 and 225,768.79 is: 311,562.45
Step by Step Solution
- Step 1: Write the proportion equation
416,755.32 : 575,125.14 = 225,768.79 : x - Step 2: Convert to fraction form
416,755.32/575,125.14 = 225,768.79/x - Step 3: Cross multiply
416,755.32x = 575,125.14 × 225,768.79 - Step 4: Simplify right side
416,755.32x = 129,845,306,956.38 - Step 5: Solve for x
x = 129,845,306,956.38/416,755.32 - Step 6: Final answer
x = 311,562.45
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1.5x scale
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.