Finding the Fourth Proportional to 318,349.23, 477,413.06 and 118,560.60
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Solution
The fourth proportional to 318,349.23, 477,413.06 and 118,560.60 is: 177,799.64
Step by Step Solution
- Step 1: Write the proportion equation
318,349.23 : 477,413.06 = 118,560.60 : x - Step 2: Convert to fraction form
318,349.23/477,413.06 = 118,560.60/x - Step 3: Cross multiply
318,349.23x = 477,413.06 × 118,560.60 - Step 4: Simplify right side
318,349.23x = 56,602,378,248.63 - Step 5: Solve for x
x = 56,602,378,248.63/318,349.23 - Step 6: Final answer
x = 177,799.64
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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.