Finding the Fourth Proportional to 319,132.26, 478,780.41 and 119,455.50
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Solution
The fourth proportional to 319,132.26, 478,780.41 and 119,455.50 is: 179,213.95
Step by Step Solution
- Step 1: Write the proportion equation
319,132.26 : 478,780.41 = 119,455.50 : x - Step 2: Convert to fraction form
319,132.26/478,780.41 = 119,455.50/x - Step 3: Cross multiply
319,132.26x = 478,780.41 × 119,455.50 - Step 4: Simplify right side
319,132.26x = 57,192,953,266.76 - Step 5: Solve for x
x = 57,192,953,266.76/319,132.26 - Step 6: Final answer
x = 179,213.95
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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.