Finding the Fourth Proportional to 267,121.48, 368,637.57 and 152,418.80
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Solution
The fourth proportional to 267,121.48, 368,637.57 and 152,418.80 is: 210,343.60
Step by Step Solution
- Step 1: Write the proportion equation
267,121.48 : 368,637.57 = 152,418.80 : x - Step 2: Convert to fraction form
267,121.48/368,637.57 = 152,418.80/x - Step 3: Cross multiply
267,121.48x = 368,637.57 × 152,418.80 - Step 4: Simplify right side
267,121.48x = 56,187,294,211.13 - Step 5: Solve for x
x = 56,187,294,211.13/267,121.48 - Step 6: Final answer
x = 210,343.60
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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.