Finding the Fourth Proportional to 589,093.80, 883,640.70 and 145,861.80
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Solution
The fourth proportional to 589,093.80, 883,640.70 and 145,861.80 is: 218,792.70
Step by Step Solution
- Step 1: Write the proportion equation
589,093.80 : 883,640.70 = 145,861.80 : x - Step 2: Convert to fraction form
589,093.80/883,640.70 = 145,861.80/x - Step 3: Cross multiply
589,093.80x = 883,640.70 × 145,861.80 - Step 4: Simplify right side
589,093.80x = 128,889,423,055.26 - Step 5: Solve for x
x = 128,889,423,055.26/589,093.80 - Step 6: Final answer
x = 218,792.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.