Finding the Fourth Proportional to 197,460.18, 296,226.99 and 79,140.72
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Solution
The fourth proportional to 197,460.18, 296,226.99 and 79,140.72 is: 118,725.80
Step by Step Solution
- Step 1: Write the proportion equation
197,460.18 : 296,226.99 = 79,140.72 : x - Step 2: Convert to fraction form
197,460.18/296,226.99 = 79,140.72/x - Step 3: Cross multiply
197,460.18x = 296,226.99 × 79,140.72 - Step 4: Simplify right side
197,460.18x = 23,443,617,272.03 - Step 5: Solve for x
x = 23,443,617,272.03/197,460.18 - Step 6: Final answer
x = 118,725.80
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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.