Finding the Fourth Proportional to 346,840.43, 478,629.73 and 193,878.92
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Solution
The fourth proportional to 346,840.43, 478,629.73 and 193,878.92 is: 267,547.28
Step by Step Solution
- Step 1: Write the proportion equation
346,840.43 : 478,629.73 = 193,878.92 : x - Step 2: Convert to fraction form
346,840.43/478,629.73 = 193,878.92/x - Step 3: Cross multiply
346,840.43x = 478,629.73 × 193,878.92 - Step 4: Simplify right side
346,840.43x = 92,796,214,424.21 - Step 5: Solve for x
x = 92,796,214,424.21/346,840.43 - Step 6: Final answer
x = 267,547.28
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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.