Finding the Fourth Proportional to 267,165.06, 368,721.90 and 153,988.62
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Solution
The fourth proportional to 267,165.06, 368,721.90 and 153,988.62 is: 212,523.96
Step by Step Solution
- Step 1: Write the proportion equation
267,165.06 : 368,721.90 = 153,988.62 : x - Step 2: Convert to fraction form
267,165.06/368,721.90 = 153,988.62/x - Step 3: Cross multiply
267,165.06x = 368,721.90 × 153,988.62 - Step 4: Simplify right side
267,165.06x = 56,778,976,544.78 - Step 5: Solve for x
x = 56,778,976,544.78/267,165.06 - Step 6: Final answer
x = 212,523.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.