Finding the Fourth Proportional to 173,587.76, 239,552.84 and 101,990.80
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Solution
The fourth proportional to 173,587.76, 239,552.84 and 101,990.80 is: 140,748.32
Step by Step Solution
- Step 1: Write the proportion equation
173,587.76 : 239,552.84 = 101,990.80 : x - Step 2: Convert to fraction form
173,587.76/239,552.84 = 101,990.80/x - Step 3: Cross multiply
173,587.76x = 239,552.84 × 101,990.80 - Step 4: Simplify right side
173,587.76x = 24,432,185,793.87 - Step 5: Solve for x
x = 24,432,185,793.87/173,587.76 - Step 6: Final answer
x = 140,748.32
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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.