Finding the Fourth Proportional to 418,759.40, 628,058.98 and 162,591.98
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Solution
The fourth proportional to 418,759.40, 628,058.98 and 162,591.98 is: 243,856.85
Step by Step Solution
- Step 1: Write the proportion equation
418,759.40 : 628,058.98 = 162,591.98 : x - Step 2: Convert to fraction form
418,759.40/628,058.98 = 162,591.98/x - Step 3: Cross multiply
418,759.40x = 628,058.98 × 162,591.98 - Step 4: Simplify right side
418,759.40x = 102,117,350,177.93 - Step 5: Solve for x
x = 102,117,350,177.93/418,759.40 - Step 6: Final answer
x = 243,856.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.