Finding the Fourth Proportional to 220,376.12, 304,117.60 and 119,774.12
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Solution
The fourth proportional to 220,376.12, 304,117.60 and 119,774.12 is: 165,287.50
Step by Step Solution
- Step 1: Write the proportion equation
220,376.12 : 304,117.60 = 119,774.12 : x - Step 2: Convert to fraction form
220,376.12/304,117.60 = 119,774.12/x - Step 3: Cross multiply
220,376.12x = 304,117.60 × 119,774.12 - Step 4: Simplify right side
220,376.12x = 36,425,417,916.51 - Step 5: Solve for x
x = 36,425,417,916.51/220,376.12 - Step 6: Final answer
x = 165,287.50
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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.