Finding the Fourth Proportional to 453,129.60, 678,916.80 and 295,276.80
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Solution
The fourth proportional to 453,129.60, 678,916.80 and 295,276.80 is: 442,408.49
Step by Step Solution
- Step 1: Write the proportion equation
453,129.60 : 678,916.80 = 295,276.80 : x - Step 2: Convert to fraction form
453,129.60/678,916.80 = 295,276.80/x - Step 3: Cross multiply
453,129.60x = 678,916.80 × 295,276.80 - Step 4: Simplify right side
453,129.60x = 200,468,380,170.24 - Step 5: Solve for x
x = 200,468,380,170.24/453,129.60 - Step 6: Final answer
x = 442,408.49
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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.