Finding the Fourth Proportional to 353,238.21, 487,471.99 and 192,094.78
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Solution
The fourth proportional to 353,238.21, 487,471.99 and 192,094.78 is: 265,092.57
Step by Step Solution
- Step 1: Write the proportion equation
353,238.21 : 487,471.99 = 192,094.78 : x - Step 2: Convert to fraction form
353,238.21/487,471.99 = 192,094.78/x - Step 3: Cross multiply
353,238.21x = 487,471.99 × 192,094.78 - Step 4: Simplify right side
353,238.21x = 93,640,824,675.21 - Step 5: Solve for x
x = 93,640,824,675.21/353,238.21 - Step 6: Final answer
x = 265,092.57
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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.