Finding the Fourth Proportional to 458,622.36, 687,232.17 and 192,237.66
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Solution
The fourth proportional to 458,622.36, 687,232.17 and 192,237.66 is: 288,062.50
Step by Step Solution
- Step 1: Write the proportion equation
458,622.36 : 687,232.17 = 192,237.66 : x - Step 2: Convert to fraction form
458,622.36/687,232.17 = 192,237.66/x - Step 3: Cross multiply
458,622.36x = 687,232.17 × 192,237.66 - Step 4: Simplify right side
458,622.36x = 132,111,904,237.52 - Step 5: Solve for x
x = 132,111,904,237.52/458,622.36 - Step 6: Final answer
x = 288,062.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.