Finding the Fourth Proportional to 319,875.14, 479,911.26 and 230,120.66
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Solution
The fourth proportional to 319,875.14, 479,911.26 and 230,120.66 is: 345,251.89
Step by Step Solution
- Step 1: Write the proportion equation
319,875.14 : 479,911.26 = 230,120.66 : x - Step 2: Convert to fraction form
319,875.14/479,911.26 = 230,120.66/x - Step 3: Cross multiply
319,875.14x = 479,911.26 × 230,120.66 - Step 4: Simplify right side
319,875.14x = 110,437,495,892.63 - Step 5: Solve for x
x = 110,437,495,892.63/319,875.14 - Step 6: Final answer
x = 345,251.89
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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.