Finding the Fourth Proportional to 176,166.24, 243,007.74 and 112,432.20
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Solution
The fourth proportional to 176,166.24, 243,007.74 and 112,432.20 is: 155,091.55
Step by Step Solution
- Step 1: Write the proportion equation
176,166.24 : 243,007.74 = 112,432.20 : x - Step 2: Convert to fraction form
176,166.24/243,007.74 = 112,432.20/x - Step 3: Cross multiply
176,166.24x = 243,007.74 × 112,432.20 - Step 4: Simplify right side
176,166.24x = 27,321,894,825.23 - Step 5: Solve for x
x = 27,321,894,825.23/176,166.24 - Step 6: Final answer
x = 155,091.55
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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.