Finding the Fourth Proportional to 319,320.36, 440,691.66 and 183,372.12
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Solution
The fourth proportional to 319,320.36, 440,691.66 and 183,372.12 is: 253,070.50
Step by Step Solution
- Step 1: Write the proportion equation
319,320.36 : 440,691.66 = 183,372.12 : x - Step 2: Convert to fraction form
319,320.36/440,691.66 = 183,372.12/x - Step 3: Cross multiply
319,320.36x = 440,691.66 × 183,372.12 - Step 4: Simplify right side
319,320.36x = 80,810,563,960.52 - Step 5: Solve for x
x = 80,810,563,960.52/319,320.36 - Step 6: Final answer
x = 253,070.50
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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.