Finding the Fourth Proportional to 354,197.84, 488,793.40 and 193,053.02
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Solution
The fourth proportional to 354,197.84, 488,793.40 and 193,053.02 is: 266,413.38
Step by Step Solution
- Step 1: Write the proportion equation
354,197.84 : 488,793.40 = 193,053.02 : x - Step 2: Convert to fraction form
354,197.84/488,793.40 = 193,053.02/x - Step 3: Cross multiply
354,197.84x = 488,793.40 × 193,053.02 - Step 4: Simplify right side
354,197.84x = 94,363,042,026.07 - Step 5: Solve for x
x = 94,363,042,026.07/354,197.84 - Step 6: Final answer
x = 266,413.38
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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.