Finding the Fourth Proportional to 227,621.80, 341,432.70 and 79,877.80
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Solution
The fourth proportional to 227,621.80, 341,432.70 and 79,877.80 is: 119,816.70
Step by Step Solution
- Step 1: Write the proportion equation
227,621.80 : 341,432.70 = 79,877.80 : x - Step 2: Convert to fraction form
227,621.80/341,432.70 = 79,877.80/x - Step 3: Cross multiply
227,621.80x = 341,432.70 × 79,877.80 - Step 4: Simplify right side
227,621.80x = 27,272,892,924.06 - Step 5: Solve for x
x = 27,272,892,924.06/227,621.80 - Step 6: Final answer
x = 119,816.70
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1.5x scale
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.