Finding the Fourth Proportional to 236,825.69, 355,293.95 and 161,981.10
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Solution
The fourth proportional to 236,825.69, 355,293.95 and 161,981.10 is: 243,009.55
Step by Step Solution
- Step 1: Write the proportion equation
236,825.69 : 355,293.95 = 161,981.10 : x - Step 2: Convert to fraction form
236,825.69/355,293.95 = 161,981.10/x - Step 3: Cross multiply
236,825.69x = 355,293.95 × 161,981.10 - Step 4: Simplify right side
236,825.69x = 57,550,904,034.44 - Step 5: Solve for x
x = 57,550,904,034.44/236,825.69 - Step 6: Final answer
x = 243,009.55
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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.