Finding the Fourth Proportional to 226,508,186.40, 338,108,683.68 and 194,366,634.72
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Solution
The fourth proportional to 226,508,186.40, 338,108,683.68 and 194,366,634.72 is: 290,131,001.71
Step by Step Solution
- Step 1: Write the proportion equation
226,508,186.40 : 338,108,683.68 = 194,366,634.72 : x - Step 2: Convert to fraction form
226,508,186.40/338,108,683.68 = 194,366,634.72/x - Step 3: Cross multiply
226,508,186.40x = 338,108,683.68 × 194,366,634.72 - Step 4: Simplify right side
226,508,186.40x = 65,717,047,016,490,584 - Step 5: Solve for x
x = 65,717,047,016,490,584/226,508,186.40 - Step 6: Final answer
x = 290,131,001.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.