Finding the Fourth Proportional to 346,896.99, 478,721.15 and 203,659.43
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Solution
The fourth proportional to 346,896.99, 478,721.15 and 203,659.43 is: 281,051.94
Step by Step Solution
- Step 1: Write the proportion equation
346,896.99 : 478,721.15 = 203,659.43 : x - Step 2: Convert to fraction form
346,896.99/478,721.15 = 203,659.43/x - Step 3: Cross multiply
346,896.99x = 478,721.15 × 203,659.43 - Step 4: Simplify right side
346,896.99x = 97,496,073,126.04 - Step 5: Solve for x
x = 97,496,073,126.04/346,896.99 - Step 6: Final answer
x = 281,051.94
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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.