Finding the Fourth Proportional to 220,715.41, 304,587.69 and 125,203.63
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Solution
The fourth proportional to 220,715.41, 304,587.69 and 125,203.63 is: 172,781.25
Step by Step Solution
- Step 1: Write the proportion equation
220,715.41 : 304,587.69 = 125,203.63 : x - Step 2: Convert to fraction form
220,715.41/304,587.69 = 125,203.63/x - Step 3: Cross multiply
220,715.41x = 304,587.69 × 125,203.63 - Step 4: Simplify right side
220,715.41x = 38,135,484,441.31 - Step 5: Solve for x
x = 38,135,484,441.31/220,715.41 - Step 6: Final answer
x = 172,781.25
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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.