Finding the Fourth Proportional to 218,932.05, 302,126.63 and 118,330.05
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Solution
The fourth proportional to 218,932.05, 302,126.63 and 118,330.05 is: 163,295.68
Step by Step Solution
- Step 1: Write the proportion equation
218,932.05 : 302,126.63 = 118,330.05 : x - Step 2: Convert to fraction form
218,932.05/302,126.63 = 118,330.05/x - Step 3: Cross multiply
218,932.05x = 302,126.63 × 118,330.05 - Step 4: Simplify right side
218,932.05x = 35,750,658,642.58 - Step 5: Solve for x
x = 35,750,658,642.58/218,932.05 - Step 6: Final answer
x = 163,295.68
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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.