Finding the Fourth Proportional to 497,474.22, 686,516.75 and 282,626.09
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Solution
The fourth proportional to 497,474.22, 686,516.75 and 282,626.09 is: 390,025.32
Step by Step Solution
- Step 1: Write the proportion equation
497,474.22 : 686,516.75 = 282,626.09 : x - Step 2: Convert to fraction form
497,474.22/686,516.75 = 282,626.09/x - Step 3: Cross multiply
497,474.22x = 686,516.75 × 282,626.09 - Step 4: Simplify right side
497,474.22x = 194,027,539,926.29 - Step 5: Solve for x
x = 194,027,539,926.29/497,474.22 - Step 6: Final answer
x = 390,025.32
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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.