Finding the Fourth Proportional to 366,413.84, 549,621.99 and 129,763.43
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Solution
The fourth proportional to 366,413.84, 549,621.99 and 129,763.43 is: 194,645.58
Step by Step Solution
- Step 1: Write the proportion equation
366,413.84 : 549,621.99 = 129,763.43 : x - Step 2: Convert to fraction form
366,413.84/549,621.99 = 129,763.43/x - Step 3: Cross multiply
366,413.84x = 549,621.99 × 129,763.43 - Step 4: Simplify right side
366,413.84x = 71,320,834,625.83 - Step 5: Solve for x
x = 71,320,834,625.83/366,413.84 - Step 6: Final answer
x = 194,645.58
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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.