Finding the Fourth Proportional to 218,722.68, 301,837.30 and 118,120.68
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Solution
The fourth proportional to 218,722.68, 301,837.30 and 118,120.68 is: 163,006.54
Step by Step Solution
- Step 1: Write the proportion equation
218,722.68 : 301,837.30 = 118,120.68 : x - Step 2: Convert to fraction form
218,722.68/301,837.30 = 118,120.68/x - Step 3: Cross multiply
218,722.68x = 301,837.30 × 118,120.68 - Step 4: Simplify right side
218,722.68x = 35,653,227,125.36 - Step 5: Solve for x
x = 35,653,227,125.36/218,722.68 - Step 6: Final answer
x = 163,006.54
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1.5x scale
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.