Finding the Fourth Proportional to 242,377.28, 363,623.62 and 122,138.80
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Solution
The fourth proportional to 242,377.28, 363,623.62 and 122,138.80 is: 183,237.28
Step by Step Solution
- Step 1: Write the proportion equation
242,377.28 : 363,623.62 = 122,138.80 : x - Step 2: Convert to fraction form
242,377.28/363,623.62 = 122,138.80/x - Step 3: Cross multiply
242,377.28x = 363,623.62 × 122,138.80 - Step 4: Simplify right side
242,377.28x = 44,412,552,598.46 - Step 5: Solve for x
x = 44,412,552,598.46/242,377.28 - Step 6: Final answer
x = 183,237.28
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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.