Finding the Fourth Proportional to 267,257.94, 368,821.92 and 152,534.28
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Solution
The fourth proportional to 267,257.94, 368,821.92 and 152,534.28 is: 210,500.71
Step by Step Solution
- Step 1: Write the proportion equation
267,257.94 : 368,821.92 = 152,534.28 : x - Step 2: Convert to fraction form
267,257.94/368,821.92 = 152,534.28/x - Step 3: Cross multiply
267,257.94x = 368,821.92 × 152,534.28 - Step 4: Simplify right side
267,257.94x = 56,257,986,015.42 - Step 5: Solve for x
x = 56,257,986,015.42/267,257.94 - Step 6: Final answer
x = 210,500.71
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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.