Finding the Fourth Proportional to 253,134.70, 379,702.42 and 103,374.99
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Solution
The fourth proportional to 253,134.70, 379,702.42 and 103,374.99 is: 155,062.64
Step by Step Solution
- Step 1: Write the proportion equation
253,134.70 : 379,702.42 = 103,374.99 : x - Step 2: Convert to fraction form
253,134.70/379,702.42 = 103,374.99/x - Step 3: Cross multiply
253,134.70x = 379,702.42 × 103,374.99 - Step 4: Simplify right side
253,134.70x = 39,251,733,612.04 - Step 5: Solve for x
x = 39,251,733,612.04/253,134.70 - Step 6: Final answer
x = 155,062.64
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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.