Finding the Fourth Proportional to 496,782.36, 744,586.74 and 212,389.74
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Solution
The fourth proportional to 496,782.36, 744,586.74 and 212,389.74 is: 318,333.73
Step by Step Solution
- Step 1: Write the proportion equation
496,782.36 : 744,586.74 = 212,389.74 : x - Step 2: Convert to fraction form
496,782.36/744,586.74 = 212,389.74/x - Step 3: Cross multiply
496,782.36x = 744,586.74 × 212,389.74 - Step 4: Simplify right side
496,782.36x = 158,142,584,116.05 - Step 5: Solve for x
x = 158,142,584,116.05/496,782.36 - Step 6: Final answer
x = 318,333.73
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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.