Finding the Fourth Proportional to 138,365.44, 207,545.28 and 93,880.96
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Solution
The fourth proportional to 138,365.44, 207,545.28 and 93,880.96 is: 140,819.49
Step by Step Solution
- Step 1: Write the proportion equation
138,365.44 : 207,545.28 = 93,880.96 : x - Step 2: Convert to fraction form
138,365.44/207,545.28 = 93,880.96/x - Step 3: Cross multiply
138,365.44x = 207,545.28 × 93,880.96 - Step 4: Simplify right side
138,365.44x = 19,484,550,129.87 - Step 5: Solve for x
x = 19,484,550,129.87/138,365.44 - Step 6: Final answer
x = 140,819.49
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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.