Finding the Fourth Proportional to 267,670.21, 369,415.75 and 160,240.21
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Solution
The fourth proportional to 267,670.21, 369,415.75 and 160,240.21 is: 221,149.96
Step by Step Solution
- Step 1: Write the proportion equation
267,670.21 : 369,415.75 = 160,240.21 : x - Step 2: Convert to fraction form
267,670.21/369,415.75 = 160,240.21/x - Step 3: Cross multiply
267,670.21x = 369,415.75 × 160,240.21 - Step 4: Simplify right side
267,670.21x = 59,195,257,357.31 - Step 5: Solve for x
x = 59,195,257,357.31/267,670.21 - Step 6: Final answer
x = 221,149.96
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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.