Finding the Fourth Proportional to 319,243.08, 440,555.40 and 183,285.75
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Solution
The fourth proportional to 319,243.08, 440,555.40 and 183,285.75 is: 252,934.31
Step by Step Solution
- Step 1: Write the proportion equation
319,243.08 : 440,555.40 = 183,285.75 : x - Step 2: Convert to fraction form
319,243.08/440,555.40 = 183,285.75/x - Step 3: Cross multiply
319,243.08x = 440,555.40 × 183,285.75 - Step 4: Simplify right side
319,243.08x = 80,747,526,905.55 - Step 5: Solve for x
x = 80,747,526,905.55/319,243.08 - Step 6: Final answer
x = 252,934.31
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1.5x scale
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.