Finding the Fourth Proportional to 478,299.98, 717,551.18 and 158,433.75
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Solution
The fourth proportional to 478,299.98, 717,551.18 and 158,433.75 is: 237,684.15
Step by Step Solution
- Step 1: Write the proportion equation
478,299.98 : 717,551.18 = 158,433.75 : x - Step 2: Convert to fraction form
478,299.98/717,551.18 = 158,433.75/x - Step 3: Cross multiply
478,299.98x = 717,551.18 × 158,433.75 - Step 4: Simplify right side
478,299.98x = 113,684,324,264.33 - Step 5: Solve for x
x = 113,684,324,264.33/478,299.98 - Step 6: Final answer
x = 237,684.15
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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.