Finding the Fourth Proportional to 253,881.70, 350,356.74 and 140,711.74
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Solution
The fourth proportional to 253,881.70, 350,356.74 and 140,711.74 is: 194,182.20
Step by Step Solution
- Step 1: Write the proportion equation
253,881.70 : 350,356.74 = 140,711.74 : x - Step 2: Convert to fraction form
253,881.70/350,356.74 = 140,711.74/x - Step 3: Cross multiply
253,881.70x = 350,356.74 × 140,711.74 - Step 4: Simplify right side
253,881.70x = 49,299,306,506.13 - Step 5: Solve for x
x = 49,299,306,506.13/253,881.70 - Step 6: Final answer
x = 194,182.20
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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.