Finding the Fourth Proportional to 267,162.06, 368,717.76 and 153,985.62
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Solution
The fourth proportional to 267,162.06, 368,717.76 and 153,985.62 is: 212,519.82
Step by Step Solution
- Step 1: Write the proportion equation
267,162.06 : 368,717.76 = 153,985.62 : x - Step 2: Convert to fraction form
267,162.06/368,717.76 = 153,985.62/x - Step 3: Cross multiply
267,162.06x = 368,717.76 × 153,985.62 - Step 4: Simplify right side
267,162.06x = 56,777,232,878.61 - Step 5: Solve for x
x = 56,777,232,878.61/267,162.06 - Step 6: Final answer
x = 212,519.82
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1.5x scale
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.