Finding the Fourth Proportional to 173,722.31, 239,737.70 and 98,269.19
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Solution
The fourth proportional to 173,722.31, 239,737.70 and 98,269.19 is: 135,612.00
Step by Step Solution
- Step 1: Write the proportion equation
173,722.31 : 239,737.70 = 98,269.19 : x - Step 2: Convert to fraction form
173,722.31/239,737.70 = 98,269.19/x - Step 3: Cross multiply
173,722.31x = 239,737.70 × 98,269.19 - Step 4: Simplify right side
173,722.31x = 23,558,829,591.46 - Step 5: Solve for x
x = 23,558,829,591.46/173,722.31 - Step 6: Final answer
x = 135,612.00
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1.5x scale
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.