Finding the Fourth Proportional to 267,816.62, 401,572.70 and 207,005.38
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Solution
The fourth proportional to 267,816.62, 401,572.70 and 207,005.38 is: 310,390.41
Step by Step Solution
- Step 1: Write the proportion equation
267,816.62 : 401,572.70 = 207,005.38 : x - Step 2: Convert to fraction form
267,816.62/401,572.70 = 207,005.38/x - Step 3: Cross multiply
267,816.62x = 401,572.70 × 207,005.38 - Step 4: Simplify right side
267,816.62x = 83,127,709,361.13 - Step 5: Solve for x
x = 83,127,709,361.13/267,816.62 - Step 6: Final answer
x = 310,390.41
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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.