Finding the Fourth Proportional to 346,481.01, 478,112.70 and 193,497.99
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Solution
The fourth proportional to 346,481.01, 478,112.70 and 193,497.99 is: 267,009.86
Step by Step Solution
- Step 1: Write the proportion equation
346,481.01 : 478,112.70 = 193,497.99 : x - Step 2: Convert to fraction form
346,481.01/478,112.70 = 193,497.99/x - Step 3: Cross multiply
346,481.01x = 478,112.70 × 193,497.99 - Step 4: Simplify right side
346,481.01x = 92,513,846,443.47 - Step 5: Solve for x
x = 92,513,846,443.47/346,481.01 - Step 6: Final answer
x = 267,009.86
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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.