Finding the Fourth Proportional to 353,496.84, 487,821.54 and 192,349.12
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Solution
The fourth proportional to 353,496.84, 487,821.54 and 192,349.12 is: 265,439.55
Step by Step Solution
- Step 1: Write the proportion equation
353,496.84 : 487,821.54 = 192,349.12 : x - Step 2: Convert to fraction form
353,496.84/487,821.54 = 192,349.12/x - Step 3: Cross multiply
353,496.84x = 487,821.54 × 192,349.12 - Step 4: Simplify right side
353,496.84x = 93,832,042,523.13 - Step 5: Solve for x
x = 93,832,042,523.13/353,496.84 - Step 6: Final answer
x = 265,439.55
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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.