Finding the Fourth Proportional to 144,014.52, 215,793.36 and 104,386.08
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Solution
The fourth proportional to 144,014.52, 215,793.36 and 104,386.08 is: 156,413.55
Step by Step Solution
- Step 1: Write the proportion equation
144,014.52 : 215,793.36 = 104,386.08 : x - Step 2: Convert to fraction form
144,014.52/215,793.36 = 104,386.08/x - Step 3: Cross multiply
144,014.52x = 215,793.36 × 104,386.08 - Step 4: Simplify right side
144,014.52x = 22,525,822,940.43 - Step 5: Solve for x
x = 22,525,822,940.43/144,014.52 - Step 6: Final answer
x = 156,413.55
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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.