Finding the Fourth Proportional to 268,927.71, 403,391.84 and 69,248.53
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Solution
The fourth proportional to 268,927.71, 403,391.84 and 69,248.53 is: 103,872.87
Step by Step Solution
- Step 1: Write the proportion equation
268,927.71 : 403,391.84 = 69,248.53 : x - Step 2: Convert to fraction form
268,927.71/403,391.84 = 69,248.53/x - Step 3: Cross multiply
268,927.71x = 403,391.84 × 69,248.53 - Step 4: Simplify right side
268,927.71x = 27,934,292,091.99 - Step 5: Solve for x
x = 27,934,292,091.99/268,927.71 - Step 6: Final answer
x = 103,872.87
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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.