Finding the Fourth Proportional to 168,881.10, 253,239.84 and 69,001.62
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Solution
The fourth proportional to 168,881.10, 253,239.84 and 69,001.62 is: 103,469.00
Step by Step Solution
- Step 1: Write the proportion equation
168,881.10 : 253,239.84 = 69,001.62 : x - Step 2: Convert to fraction form
168,881.10/253,239.84 = 69,001.62/x - Step 3: Cross multiply
168,881.10x = 253,239.84 × 69,001.62 - Step 4: Simplify right side
168,881.10x = 17,473,959,208.54 - Step 5: Solve for x
x = 17,473,959,208.54/168,881.10 - Step 6: Final answer
x = 103,469.00
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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.