Finding the Fourth Proportional to 319,523.94, 479,220.30 and 150,972.66
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Solution
The fourth proportional to 319,523.94, 479,220.30 and 150,972.66 is: 226,427.99
Step by Step Solution
- Step 1: Write the proportion equation
319,523.94 : 479,220.30 = 150,972.66 : x - Step 2: Convert to fraction form
319,523.94/479,220.30 = 150,972.66/x - Step 3: Cross multiply
319,523.94x = 479,220.30 × 150,972.66 - Step 4: Simplify right side
319,523.94x = 72,349,163,417.00 - Step 5: Solve for x
x = 72,349,163,417.00/319,523.94 - Step 6: Final answer
x = 226,427.99
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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.