Finding the Fourth Proportional to 307,766.58, 424,725.04 and 193,050.08
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Solution
The fourth proportional to 307,766.58, 424,725.04 and 193,050.08 is: 266,413.60
Step by Step Solution
- Step 1: Write the proportion equation
307,766.58 : 424,725.04 = 193,050.08 : x - Step 2: Convert to fraction form
307,766.58/424,725.04 = 193,050.08/x - Step 3: Cross multiply
307,766.58x = 424,725.04 × 193,050.08 - Step 4: Simplify right side
307,766.58x = 81,993,202,950.00 - Step 5: Solve for x
x = 81,993,202,950.00/307,766.58 - Step 6: Final answer
x = 266,413.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.