Finding the Fourth Proportional to 267,419.81, 368,973.26 and 158,549.70
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Solution
The fourth proportional to 267,419.81, 368,973.26 and 158,549.70 is: 218,759.41
Step by Step Solution
- Step 1: Write the proportion equation
267,419.81 : 368,973.26 = 158,549.70 : x - Step 2: Convert to fraction form
267,419.81/368,973.26 = 158,549.70/x - Step 3: Cross multiply
267,419.81x = 368,973.26 × 158,549.70 - Step 4: Simplify right side
267,419.81x = 58,500,600,866.48 - Step 5: Solve for x
x = 58,500,600,866.48/267,419.81 - Step 6: Final answer
x = 218,759.41
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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.