Finding the Fourth Proportional to 421,044.42, 631,609.14 and 136,723.08
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Solution
The fourth proportional to 421,044.42, 631,609.14 and 136,723.08 is: 205,098.42
Step by Step Solution
- Step 1: Write the proportion equation
421,044.42 : 631,609.14 = 136,723.08 : x - Step 2: Convert to fraction form
421,044.42/631,609.14 = 136,723.08/x - Step 3: Cross multiply
421,044.42x = 631,609.14 × 136,723.08 - Step 4: Simplify right side
421,044.42x = 86,355,546,976.95 - Step 5: Solve for x
x = 86,355,546,976.95/421,044.42 - Step 6: Final answer
x = 205,098.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.