Finding the Fourth Proportional to 156,838.20, 235,125.05 and 68,024.82
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Solution
The fourth proportional to 156,838.20, 235,125.05 and 68,024.82 is: 101,979.86
Step by Step Solution
- Step 1: Write the proportion equation
156,838.20 : 235,125.05 = 68,024.82 : x - Step 2: Convert to fraction form
156,838.20/235,125.05 = 68,024.82/x - Step 3: Cross multiply
156,838.20x = 235,125.05 × 68,024.82 - Step 4: Simplify right side
156,838.20x = 15,994,338,492.08 - Step 5: Solve for x
x = 15,994,338,492.08/156,838.20 - Step 6: Final answer
x = 101,979.86
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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.