Finding the Fourth Proportional to 267,661.23, 401,364.66 and 155,375.88
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Solution
The fourth proportional to 267,661.23, 401,364.66 and 155,375.88 is: 232,989.99
Step by Step Solution
- Step 1: Write the proportion equation
267,661.23 : 401,364.66 = 155,375.88 : x - Step 2: Convert to fraction form
267,661.23/401,364.66 = 155,375.88/x - Step 3: Cross multiply
267,661.23x = 401,364.66 × 155,375.88 - Step 4: Simplify right side
267,661.23x = 62,362,387,248.40 - Step 5: Solve for x
x = 62,362,387,248.40/267,661.23 - Step 6: Final answer
x = 232,989.99
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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.