Finding the Fourth Proportional to 310,668.18, 466,179.21 and 121,103.82
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Solution
The fourth proportional to 310,668.18, 466,179.21 and 121,103.82 is: 181,724.70
Step by Step Solution
- Step 1: Write the proportion equation
310,668.18 : 466,179.21 = 121,103.82 : x - Step 2: Convert to fraction form
310,668.18/466,179.21 = 121,103.82/x - Step 3: Cross multiply
310,668.18x = 466,179.21 × 121,103.82 - Step 4: Simplify right side
310,668.18x = 56,456,083,135.58 - Step 5: Solve for x
x = 56,456,083,135.58/310,668.18 - Step 6: Final answer
x = 181,724.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.