Finding the Fourth Proportional to 429,243.87, 592,249.82 and 238,209.42
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Solution
The fourth proportional to 429,243.87, 592,249.82 and 238,209.42 is: 328,669.77
Step by Step Solution
- Step 1: Write the proportion equation
429,243.87 : 592,249.82 = 238,209.42 : x - Step 2: Convert to fraction form
429,243.87/592,249.82 = 238,209.42/x - Step 3: Cross multiply
429,243.87x = 592,249.82 × 238,209.42 - Step 4: Simplify right side
429,243.87x = 141,079,484,926.26 - Step 5: Solve for x
x = 141,079,484,926.26/429,243.87 - Step 6: Final answer
x = 328,669.77
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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.