Finding the Fourth Proportional to 342,125.63, 472,113.17 and 189,151.82
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Solution
The fourth proportional to 342,125.63, 472,113.17 and 189,151.82 is: 261,018.33
Step by Step Solution
- Step 1: Write the proportion equation
342,125.63 : 472,113.17 = 189,151.82 : x - Step 2: Convert to fraction form
342,125.63/472,113.17 = 189,151.82/x - Step 3: Cross multiply
342,125.63x = 472,113.17 × 189,151.82 - Step 4: Simplify right side
342,125.63x = 89,301,062,045.14 - Step 5: Solve for x
x = 89,301,062,045.14/342,125.63 - Step 6: Final answer
x = 261,018.33
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1.5x scale
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.