Finding the Fourth Proportional to 346,544.20, 478,238.94 and 203,407.48
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Solution
The fourth proportional to 346,544.20, 478,238.94 and 203,407.48 is: 280,706.99
Step by Step Solution
- Step 1: Write the proportion equation
346,544.20 : 478,238.94 = 203,407.48 : x - Step 2: Convert to fraction form
346,544.20/478,238.94 = 203,407.48/x - Step 3: Cross multiply
346,544.20x = 478,238.94 × 203,407.48 - Step 4: Simplify right side
346,544.20x = 97,277,377,623.27 - Step 5: Solve for x
x = 97,277,377,623.27/346,544.20 - Step 6: Final answer
x = 280,706.99
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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.