Finding the Fourth Proportional to 319,909.29, 441,560.33 and 183,958.08
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Solution
The fourth proportional to 319,909.29, 441,560.33 and 183,958.08 is: 253,911.32
Step by Step Solution
- Step 1: Write the proportion equation
319,909.29 : 441,560.33 = 183,958.08 : x - Step 2: Convert to fraction form
319,909.29/441,560.33 = 183,958.08/x - Step 3: Cross multiply
319,909.29x = 441,560.33 × 183,958.08 - Step 4: Simplify right side
319,909.29x = 81,228,590,510.97 - Step 5: Solve for x
x = 81,228,590,510.97/319,909.29 - Step 6: Final answer
x = 253,911.32
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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.