Finding the Fourth Proportional to 319,571.80, 441,008.75 and 176,331.84
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Solution
The fourth proportional to 319,571.80, 441,008.75 and 176,331.84 is: 243,337.75
Step by Step Solution
- Step 1: Write the proportion equation
319,571.80 : 441,008.75 = 176,331.84 : x - Step 2: Convert to fraction form
319,571.80/441,008.75 = 176,331.84/x - Step 3: Cross multiply
319,571.80x = 441,008.75 × 176,331.84 - Step 4: Simplify right side
319,571.80x = 77,763,883,130.65 - Step 5: Solve for x
x = 77,763,883,130.65/319,571.80 - Step 6: Final answer
x = 243,337.75
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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.