Finding the Fourth Proportional to 156,971.10, 235,451.40 and 68,224.62
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Solution
The fourth proportional to 156,971.10, 235,451.40 and 68,224.62 is: 102,334.65
Step by Step Solution
- Step 1: Write the proportion equation
156,971.10 : 235,451.40 = 68,224.62 : x - Step 2: Convert to fraction form
156,971.10/235,451.40 = 68,224.62/x - Step 3: Cross multiply
156,971.10x = 235,451.40 × 68,224.62 - Step 4: Simplify right side
156,971.10x = 16,063,582,293.47 - Step 5: Solve for x
x = 16,063,582,293.47/156,971.10 - Step 6: Final answer
x = 102,334.65
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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.