Finding the Fourth Proportional to 325,398.86, 488,413.14 and 157,037.70
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Solution
The fourth proportional to 325,398.86, 488,413.14 and 157,037.70 is: 235,708.50
Step by Step Solution
- Step 1: Write the proportion equation
325,398.86 : 488,413.14 = 157,037.70 : x - Step 2: Convert to fraction form
325,398.86/488,413.14 = 157,037.70/x - Step 3: Cross multiply
325,398.86x = 488,413.14 × 157,037.70 - Step 4: Simplify right side
325,398.86x = 76,699,276,155.38 - Step 5: Solve for x
x = 76,699,276,155.38/325,398.86 - Step 6: Final answer
x = 235,708.50
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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.