Finding the Fourth Proportional to 318,837.96, 478,323.36 and 169,037.55
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Solution
The fourth proportional to 318,837.96, 478,323.36 and 169,037.55 is: 253,591.54
Step by Step Solution
- Step 1: Write the proportion equation
318,837.96 : 478,323.36 = 169,037.55 : x - Step 2: Convert to fraction form
318,837.96/478,323.36 = 169,037.55/x - Step 3: Cross multiply
318,837.96x = 478,323.36 × 169,037.55 - Step 4: Simplify right side
318,837.96x = 80,854,608,882.17 - Step 5: Solve for x
x = 80,854,608,882.17/318,837.96 - Step 6: Final answer
x = 253,591.54
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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.