Finding the Fourth Proportional to 222,267.87, 306,727.29 and 120,291.12
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Solution
The fourth proportional to 222,267.87, 306,727.29 and 120,291.12 is: 166,000.46
Step by Step Solution
- Step 1: Write the proportion equation
222,267.87 : 306,727.29 = 120,291.12 : x - Step 2: Convert to fraction form
222,267.87/306,727.29 = 120,291.12/x - Step 3: Cross multiply
222,267.87x = 306,727.29 × 120,291.12 - Step 4: Simplify right side
222,267.87x = 36,896,569,248.66 - Step 5: Solve for x
x = 36,896,569,248.66/222,267.87 - Step 6: Final answer
x = 166,000.46
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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.