Finding the Fourth Proportional to 138,263.95, 207,428.73 and 44,769.70
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Solution
The fourth proportional to 138,263.95, 207,428.73 and 44,769.70 is: 67,165.17
Step by Step Solution
- Step 1: Write the proportion equation
138,263.95 : 207,428.73 = 44,769.70 : x - Step 2: Convert to fraction form
138,263.95/207,428.73 = 44,769.70/x - Step 3: Cross multiply
138,263.95x = 207,428.73 × 44,769.70 - Step 4: Simplify right side
138,263.95x = 9,286,522,013.48 - Step 5: Solve for x
x = 9,286,522,013.48/138,263.95 - Step 6: Final answer
x = 67,165.17
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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.