Finding the Fourth Proportional to 453,700.17, 680,498.42 and 121,302.09
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Solution
The fourth proportional to 453,700.17, 680,498.42 and 121,302.09 is: 181,939.27
Step by Step Solution
- Step 1: Write the proportion equation
453,700.17 : 680,498.42 = 121,302.09 : x - Step 2: Convert to fraction form
453,700.17/680,498.42 = 121,302.09/x - Step 3: Cross multiply
453,700.17x = 680,498.42 × 121,302.09 - Step 4: Simplify right side
453,700.17x = 82,545,879,981.19 - Step 5: Solve for x
x = 82,545,879,981.19/453,700.17 - Step 6: Final answer
x = 181,939.27
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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.