Finding the Fourth Proportional to 136,203.32, 204,494.52 and 69,689.36
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Solution
The fourth proportional to 136,203.32, 204,494.52 and 69,689.36 is: 104,631.02
Step by Step Solution
- Step 1: Write the proportion equation
136,203.32 : 204,494.52 = 69,689.36 : x - Step 2: Convert to fraction form
136,203.32/204,494.52 = 69,689.36/x - Step 3: Cross multiply
136,203.32x = 204,494.52 × 69,689.36 - Step 4: Simplify right side
136,203.32x = 14,251,092,222.31 - Step 5: Solve for x
x = 14,251,092,222.31/136,203.32 - Step 6: Final answer
x = 104,631.02
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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.