Finding the Fourth Proportional to 149,886.26, 206,841.47 and 84,468.98
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Solution
The fourth proportional to 149,886.26, 206,841.47 and 84,468.98 is: 116,566.32
Step by Step Solution
- Step 1: Write the proportion equation
149,886.26 : 206,841.47 = 84,468.98 : x - Step 2: Convert to fraction form
149,886.26/206,841.47 = 84,468.98/x - Step 3: Cross multiply
149,886.26x = 206,841.47 × 84,468.98 - Step 4: Simplify right side
149,886.26x = 17,471,688,720.88 - Step 5: Solve for x
x = 17,471,688,720.88/149,886.26 - Step 6: Final answer
x = 116,566.32
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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.