Finding the Fourth Proportional to 478,084.28, 717,202.55 and 158,247.84
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Solution
The fourth proportional to 478,084.28, 717,202.55 and 158,247.84 is: 237,396.95
Step by Step Solution
- Step 1: Write the proportion equation
478,084.28 : 717,202.55 = 158,247.84 : x - Step 2: Convert to fraction form
478,084.28/717,202.55 = 158,247.84/x - Step 3: Cross multiply
478,084.28x = 717,202.55 × 158,247.84 - Step 4: Simplify right side
478,084.28x = 113,495,751,413.73 - Step 5: Solve for x
x = 113,495,751,413.73/478,084.28 - Step 6: Final answer
x = 237,396.95
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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.