Finding the Fourth Proportional to 310,639.92, 465,350.91 and 160,978.38
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Solution
The fourth proportional to 310,639.92, 465,350.91 and 160,978.38 is: 241,151.99
Step by Step Solution
- Step 1: Write the proportion equation
310,639.92 : 465,350.91 = 160,978.38 : x - Step 2: Convert to fraction form
310,639.92/465,350.91 = 160,978.38/x - Step 3: Cross multiply
310,639.92x = 465,350.91 × 160,978.38 - Step 4: Simplify right side
310,639.92x = 74,911,435,623.33 - Step 5: Solve for x
x = 74,911,435,623.33/310,639.92 - Step 6: Final answer
x = 241,151.99
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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.