Finding the Fourth Proportional to 165,351.84, 248,062.08 and 86,444.64
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Solution
The fourth proportional to 165,351.84, 248,062.08 and 86,444.64 is: 129,684.90
Step by Step Solution
- Step 1: Write the proportion equation
165,351.84 : 248,062.08 = 86,444.64 : x - Step 2: Convert to fraction form
165,351.84/248,062.08 = 86,444.64/x - Step 3: Cross multiply
165,351.84x = 248,062.08 × 86,444.64 - Step 4: Simplify right side
165,351.84x = 21,443,637,203.25 - Step 5: Solve for x
x = 21,443,637,203.25/165,351.84 - Step 6: Final answer
x = 129,684.90
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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.