Finding the Fourth Proportional to 156,968.93, 235,448.19 and 68,222.52
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Solution
The fourth proportional to 156,968.93, 235,448.19 and 68,222.52 is: 102,331.52
Step by Step Solution
- Step 1: Write the proportion equation
156,968.93 : 235,448.19 = 68,222.52 : x - Step 2: Convert to fraction form
156,968.93/235,448.19 = 68,222.52/x - Step 3: Cross multiply
156,968.93x = 235,448.19 × 68,222.52 - Step 4: Simplify right side
156,968.93x = 16,062,868,851.24 - Step 5: Solve for x
x = 16,062,868,851.24/156,968.93 - Step 6: Final answer
x = 102,331.52
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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.