Finding the Fourth Proportional to 151,377.75, 208,901.30 and 84,309.75
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Solution
The fourth proportional to 151,377.75, 208,901.30 and 84,309.75 is: 116,347.46
Step by Step Solution
- Step 1: Write the proportion equation
151,377.75 : 208,901.30 = 84,309.75 : x - Step 2: Convert to fraction form
151,377.75/208,901.30 = 84,309.75/x - Step 3: Cross multiply
151,377.75x = 208,901.30 × 84,309.75 - Step 4: Simplify right side
151,377.75x = 17,612,415,956.13 - Step 5: Solve for x
x = 17,612,415,956.13/151,377.75 - Step 6: Final answer
x = 116,347.46
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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.