Finding the Fourth Proportional to 342,556.17, 472,723.99 and 189,594.65
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Solution
The fourth proportional to 342,556.17, 472,723.99 and 189,594.65 is: 261,638.67
Step by Step Solution
- Step 1: Write the proportion equation
342,556.17 : 472,723.99 = 189,594.65 : x - Step 2: Convert to fraction form
342,556.17/472,723.99 = 189,594.65/x - Step 3: Cross multiply
342,556.17x = 472,723.99 × 189,594.65 - Step 4: Simplify right side
342,556.17x = 89,625,939,430.65 - Step 5: Solve for x
x = 89,625,939,430.65/342,556.17 - Step 6: Final answer
x = 261,638.67
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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.