Finding the Fourth Proportional to 207,237.40, 310,856.10 and 132,587.80
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Solution
The fourth proportional to 207,237.40, 310,856.10 and 132,587.80 is: 198,881.70
Step by Step Solution
- Step 1: Write the proportion equation
207,237.40 : 310,856.10 = 132,587.80 : x - Step 2: Convert to fraction form
207,237.40/310,856.10 = 132,587.80/x - Step 3: Cross multiply
207,237.40x = 310,856.10 × 132,587.80 - Step 4: Simplify right side
207,237.40x = 41,215,726,415.58 - Step 5: Solve for x
x = 41,215,726,415.58/207,237.40 - Step 6: Final answer
x = 198,881.70
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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.