Finding the Fourth Proportional to 342,107.00, 472,088.60 and 189,136.26
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Solution
The fourth proportional to 342,107.00, 472,088.60 and 189,136.26 is: 260,997.50
Step by Step Solution
- Step 1: Write the proportion equation
342,107.00 : 472,088.60 = 189,136.26 : x - Step 2: Convert to fraction form
342,107.00/472,088.60 = 189,136.26/x - Step 3: Cross multiply
342,107.00x = 472,088.60 × 189,136.26 - Step 4: Simplify right side
342,107.00x = 89,289,071,246.95 - Step 5: Solve for x
x = 89,289,071,246.95/342,107.00 - Step 6: Final answer
x = 260,997.50
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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.