Finding the Fourth Proportional to 357,413.76, 536,124.80 and 91,173.76
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Solution
The fourth proportional to 357,413.76, 536,124.80 and 91,173.76 is: 136,761.70
Step by Step Solution
- Step 1: Write the proportion equation
357,413.76 : 536,124.80 = 91,173.76 : x - Step 2: Convert to fraction form
357,413.76/536,124.80 = 91,173.76/x - Step 3: Cross multiply
357,413.76x = 536,124.80 × 91,173.76 - Step 4: Simplify right side
357,413.76x = 48,880,513,845.25 - Step 5: Solve for x
x = 48,880,513,845.25/357,413.76 - Step 6: Final answer
x = 136,761.70
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1.5x scale
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.