Finding the Fourth Proportional to 357,408.11, 493,226.62 and 196,266.53
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Solution
The fourth proportional to 357,408.11, 493,226.62 and 196,266.53 is: 270,849.69
Step by Step Solution
- Step 1: Write the proportion equation
357,408.11 : 493,226.62 = 196,266.53 : x - Step 2: Convert to fraction form
357,408.11/493,226.62 = 196,266.53/x - Step 3: Cross multiply
357,408.11x = 493,226.62 × 196,266.53 - Step 4: Simplify right side
357,408.11x = 96,803,877,953.43 - Step 5: Solve for x
x = 96,803,877,953.43/357,408.11 - Step 6: Final answer
x = 270,849.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.