Finding the Fourth Proportional to 149,653.08, 206,521.38 and 82,585.08
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Solution
The fourth proportional to 149,653.08, 206,521.38 and 82,585.08 is: 113,967.48
Step by Step Solution
- Step 1: Write the proportion equation
149,653.08 : 206,521.38 = 82,585.08 : x - Step 2: Convert to fraction form
149,653.08/206,521.38 = 82,585.08/x - Step 3: Cross multiply
149,653.08x = 206,521.38 × 82,585.08 - Step 4: Simplify right side
149,653.08x = 17,055,584,689.01 - Step 5: Solve for x
x = 17,055,584,689.01/149,653.08 - Step 6: Final answer
x = 113,967.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.