Finding the Fourth Proportional to 69,631.18, 104,462.56 and 22,884.46
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Solution
The fourth proportional to 69,631.18, 104,462.56 and 22,884.46 is: 34,331.88
Step by Step Solution
- Step 1: Write the proportion equation
69,631.18 : 104,462.56 = 22,884.46 : x - Step 2: Convert to fraction form
69,631.18/104,462.56 = 22,884.46/x - Step 3: Cross multiply
69,631.18x = 104,462.56 × 22,884.46 - Step 4: Simplify right side
69,631.18x = 2,390,569,275.82 - Step 5: Solve for x
x = 2,390,569,275.82/69,631.18 - Step 6: Final answer
x = 34,331.88
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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.