Finding the Fourth Proportional to 346,721.47, 478,474.22 and 193,759.62
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Solution
The fourth proportional to 346,721.47, 478,474.22 and 193,759.62 is: 267,387.49
Step by Step Solution
- Step 1: Write the proportion equation
346,721.47 : 478,474.22 = 193,759.62 : x - Step 2: Convert to fraction form
346,721.47/478,474.22 = 193,759.62/x - Step 3: Cross multiply
346,721.47x = 478,474.22 × 193,759.62 - Step 4: Simplify right side
346,721.47x = 92,708,980,654.63 - Step 5: Solve for x
x = 92,708,980,654.63/346,721.47 - Step 6: Final answer
x = 267,387.49
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1.5x scale
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.