Finding the Fourth Proportional to 479,408.79, 718,691.94 and 195,338.21
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Solution
The fourth proportional to 479,408.79, 718,691.94 and 195,338.21 is: 292,835.68
Step by Step Solution
- Step 1: Write the proportion equation
479,408.79 : 718,691.94 = 195,338.21 : x - Step 2: Convert to fraction form
479,408.79/718,691.94 = 195,338.21/x - Step 3: Cross multiply
479,408.79x = 718,691.94 × 195,338.21 - Step 4: Simplify right side
479,408.79x = 140,387,997,101.03 - Step 5: Solve for x
x = 140,387,997,101.03/479,408.79 - Step 6: Final answer
x = 292,835.68
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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.