Finding the Fourth Proportional to 478,265.24, 659,957.19 and 294,474.62
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Solution
The fourth proportional to 478,265.24, 659,957.19 and 294,474.62 is: 406,344.91
Step by Step Solution
- Step 1: Write the proportion equation
478,265.24 : 659,957.19 = 294,474.62 : x - Step 2: Convert to fraction form
478,265.24/659,957.19 = 294,474.62/x - Step 3: Cross multiply
478,265.24x = 659,957.19 × 294,474.62 - Step 4: Simplify right side
478,265.24x = 194,340,645,771.76 - Step 5: Solve for x
x = 194,340,645,771.76/478,265.24 - Step 6: Final answer
x = 406,344.91
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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.