Finding the Fourth Proportional to 176,332.73, 243,505.17 and 122,764.19
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Solution
The fourth proportional to 176,332.73, 243,505.17 and 122,764.19 is: 169,530.15
Step by Step Solution
- Step 1: Write the proportion equation
176,332.73 : 243,505.17 = 122,764.19 : x - Step 2: Convert to fraction form
176,332.73/243,505.17 = 122,764.19/x - Step 3: Cross multiply
176,332.73x = 243,505.17 × 122,764.19 - Step 4: Simplify right side
176,332.73x = 29,893,713,124.52 - Step 5: Solve for x
x = 29,893,713,124.52/176,332.73 - Step 6: Final answer
x = 169,530.15
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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.