Finding the Fourth Proportional to 346,497.15, 478,161.02 and 193,537.52
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Solution
The fourth proportional to 346,497.15, 478,161.02 and 193,537.52 is: 267,078.96
Step by Step Solution
- Step 1: Write the proportion equation
346,497.15 : 478,161.02 = 193,537.52 : x - Step 2: Convert to fraction form
346,497.15/478,161.02 = 193,537.52/x - Step 3: Cross multiply
346,497.15x = 478,161.02 × 193,537.52 - Step 4: Simplify right side
346,497.15x = 92,542,097,971.47 - Step 5: Solve for x
x = 92,542,097,971.47/346,497.15 - Step 6: Final answer
x = 267,078.96
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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.