Finding the Fourth Proportional to 267,390.60, 368,963.94 and 159,921.42
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Solution
The fourth proportional to 267,390.60, 368,963.94 and 159,921.42 is: 220,670.57
Step by Step Solution
- Step 1: Write the proportion equation
267,390.60 : 368,963.94 = 159,921.42 : x - Step 2: Convert to fraction form
267,390.60/368,963.94 = 159,921.42/x - Step 3: Cross multiply
267,390.60x = 368,963.94 × 159,921.42 - Step 4: Simplify right side
267,390.60x = 59,005,237,213.59 - Step 5: Solve for x
x = 59,005,237,213.59/267,390.60 - Step 6: Final answer
x = 220,670.57
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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.