Finding the Fourth Proportional to 156,841.97, 235,130.67 and 68,028.57
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Solution
The fourth proportional to 156,841.97, 235,130.67 and 68,028.57 is: 101,985.48
Step by Step Solution
- Step 1: Write the proportion equation
156,841.97 : 235,130.67 = 68,028.57 : x - Step 2: Convert to fraction form
156,841.97/235,130.67 = 68,028.57/x - Step 3: Cross multiply
156,841.97x = 235,130.67 × 68,028.57 - Step 4: Simplify right side
156,841.97x = 15,995,603,243.24 - Step 5: Solve for x
x = 15,995,603,243.24/156,841.97 - Step 6: Final answer
x = 101,985.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.