Finding the Fourth Proportional to 177,921.50, 245,531.85 and 102,470.18
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Solution
The fourth proportional to 177,921.50, 245,531.85 and 102,470.18 is: 141,408.95
Step by Step Solution
- Step 1: Write the proportion equation
177,921.50 : 245,531.85 = 102,470.18 : x - Step 2: Convert to fraction form
177,921.50/245,531.85 = 102,470.18/x - Step 3: Cross multiply
177,921.50x = 245,531.85 × 102,470.18 - Step 4: Simplify right side
177,921.50x = 25,159,692,865.23 - Step 5: Solve for x
x = 25,159,692,865.23/177,921.50 - Step 6: Final answer
x = 141,408.95
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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.