Finding the Fourth Proportional to 287,773.48, 431,699.64 and 98,182.99
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Solution
The fourth proportional to 287,773.48, 431,699.64 and 98,182.99 is: 147,287.93
Step by Step Solution
- Step 1: Write the proportion equation
287,773.48 : 431,699.64 = 98,182.99 : x - Step 2: Convert to fraction form
287,773.48/431,699.64 = 98,182.99/x - Step 3: Cross multiply
287,773.48x = 431,699.64 × 98,182.99 - Step 4: Simplify right side
287,773.48x = 42,385,561,437.12 - Step 5: Solve for x
x = 42,385,561,437.12/287,773.48 - Step 6: Final answer
x = 147,287.93
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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.