Finding the Fourth Proportional to 318,337.13, 439,367.63 and 182,462.15
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Solution
The fourth proportional to 318,337.13, 439,367.63 and 182,462.15 is: 251,833.52
Step by Step Solution
- Step 1: Write the proportion equation
318,337.13 : 439,367.63 = 182,462.15 : x - Step 2: Convert to fraction form
318,337.13/439,367.63 = 182,462.15/x - Step 3: Cross multiply
318,337.13x = 439,367.63 × 182,462.15 - Step 4: Simplify right side
318,337.13x = 80,167,959,301.06 - Step 5: Solve for x
x = 80,167,959,301.06/318,337.13 - Step 6: Final answer
x = 251,833.52
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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.