Finding the Fourth Proportional to 175,627.50, 242,470.44 and 115,303.70
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Solution
The fourth proportional to 175,627.50, 242,470.44 and 115,303.70 is: 159,187.70
Step by Step Solution
- Step 1: Write the proportion equation
175,627.50 : 242,470.44 = 115,303.70 : x - Step 2: Convert to fraction form
175,627.50/242,470.44 = 115,303.70/x - Step 3: Cross multiply
175,627.50x = 242,470.44 × 115,303.70 - Step 4: Simplify right side
175,627.50x = 27,957,737,660.28 - Step 5: Solve for x
x = 27,957,737,660.28/175,627.50 - Step 6: Final answer
x = 159,187.70
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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.