Finding the Fourth Proportional to 256,626.99, 354,130.83 and 141,898.95
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Solution
The fourth proportional to 256,626.99, 354,130.83 and 141,898.95 is: 195,812.58
Step by Step Solution
- Step 1: Write the proportion equation
256,626.99 : 354,130.83 = 141,898.95 : x - Step 2: Convert to fraction form
256,626.99/354,130.83 = 141,898.95/x - Step 3: Cross multiply
256,626.99x = 354,130.83 × 141,898.95 - Step 4: Simplify right side
256,626.99x = 50,250,792,939.63 - Step 5: Solve for x
x = 50,250,792,939.63/256,626.99 - Step 6: Final answer
x = 195,812.58
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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.