Finding the Fourth Proportional to 169,894.68, 234,449.68 and 93,413.70
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Solution
The fourth proportional to 169,894.68, 234,449.68 and 93,413.70 is: 128,908.17
Step by Step Solution
- Step 1: Write the proportion equation
169,894.68 : 234,449.68 = 93,413.70 : x - Step 2: Convert to fraction form
169,894.68/234,449.68 = 93,413.70/x - Step 3: Cross multiply
169,894.68x = 234,449.68 × 93,413.70 - Step 4: Simplify right side
169,894.68x = 21,900,812,072.62 - Step 5: Solve for x
x = 21,900,812,072.62/169,894.68 - Step 6: Final answer
x = 128,908.17
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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.