Finding the Fourth Proportional to 156,979.10, 235,161.45 and 94,463.90
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Solution
The fourth proportional to 156,979.10, 235,161.45 and 94,463.90 is: 141,510.99
Step by Step Solution
- Step 1: Write the proportion equation
156,979.10 : 235,161.45 = 94,463.90 : x - Step 2: Convert to fraction form
156,979.10/235,161.45 = 94,463.90/x - Step 3: Cross multiply
156,979.10x = 235,161.45 × 94,463.90 - Step 4: Simplify right side
156,979.10x = 22,214,267,696.66 - Step 5: Solve for x
x = 22,214,267,696.66/156,979.10 - Step 6: Final answer
x = 141,510.99
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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.