Finding the Fourth Proportional to 157,221.62, 235,834.25 and 67,252.08
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Solution
The fourth proportional to 157,221.62, 235,834.25 and 67,252.08 is: 100,878.90
Step by Step Solution
- Step 1: Write the proportion equation
157,221.62 : 235,834.25 = 67,252.08 : x - Step 2: Convert to fraction form
157,221.62/235,834.25 = 67,252.08/x - Step 3: Cross multiply
157,221.62x = 235,834.25 × 67,252.08 - Step 4: Simplify right side
157,221.62x = 15,860,343,511.48 - Step 5: Solve for x
x = 15,860,343,511.48/157,221.62 - Step 6: Final answer
x = 100,878.90
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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.