Finding the Fourth Proportional to 278,230.41, 417,376.26 and 88,646.67
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Solution
The fourth proportional to 278,230.41, 417,376.26 and 88,646.67 is: 132,979.77
Step by Step Solution
- Step 1: Write the proportion equation
278,230.41 : 417,376.26 = 88,646.67 : x - Step 2: Convert to fraction form
278,230.41/417,376.26 = 88,646.67/x - Step 3: Cross multiply
278,230.41x = 417,376.26 × 88,646.67 - Step 4: Simplify right side
278,230.41x = 36,999,015,586.05 - Step 5: Solve for x
x = 36,999,015,586.05/278,230.41 - Step 6: Final answer
x = 132,979.77
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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.