Finding the Fourth Proportional to 218,602.94, 301,672.69 and 126,740.08
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Solution
The fourth proportional to 218,602.94, 301,672.69 and 126,740.08 is: 174,901.68
Step by Step Solution
- Step 1: Write the proportion equation
218,602.94 : 301,672.69 = 126,740.08 : x - Step 2: Convert to fraction form
218,602.94/301,672.69 = 126,740.08/x - Step 3: Cross multiply
218,602.94x = 301,672.69 × 126,740.08 - Step 4: Simplify right side
218,602.94x = 38,234,020,924.66 - Step 5: Solve for x
x = 38,234,020,924.66/218,602.94 - Step 6: Final answer
x = 174,901.68
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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.