Finding the Fourth Proportional to 149,832.08, 206,774.54 and 86,169.92
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Solution
The fourth proportional to 149,832.08, 206,774.54 and 86,169.92 is: 118,918.09
Step by Step Solution
- Step 1: Write the proportion equation
149,832.08 : 206,774.54 = 86,169.92 : x - Step 2: Convert to fraction form
149,832.08/206,774.54 = 86,169.92/x - Step 3: Cross multiply
149,832.08x = 206,774.54 × 86,169.92 - Step 4: Simplify right side
149,832.08x = 17,817,744,105.11 - Step 5: Solve for x
x = 17,817,744,105.11/149,832.08 - Step 6: Final answer
x = 118,918.09
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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.