Finding the Fourth Proportional to 478,269.24, 659,962.72 and 294,478.62
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Solution
The fourth proportional to 478,269.24, 659,962.72 and 294,478.62 is: 406,350.43
Step by Step Solution
- Step 1: Write the proportion equation
478,269.24 : 659,962.72 = 294,478.62 : x - Step 2: Convert to fraction form
478,269.24/659,962.72 = 294,478.62/x - Step 3: Cross multiply
478,269.24x = 659,962.72 × 294,478.62 - Step 4: Simplify right side
478,269.24x = 194,344,911,037.05 - Step 5: Solve for x
x = 194,344,911,037.05/478,269.24 - Step 6: Final answer
x = 406,350.43
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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.