Finding the Fourth Proportional to 659,920.05, 989,880.08 and 210,673.80
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Solution
The fourth proportional to 659,920.05, 989,880.08 and 210,673.80 is: 316,010.70
Step by Step Solution
- Step 1: Write the proportion equation
659,920.05 : 989,880.08 = 210,673.80 : x - Step 2: Convert to fraction form
659,920.05/989,880.08 = 210,673.80/x - Step 3: Cross multiply
659,920.05x = 989,880.08 × 210,673.80 - Step 4: Simplify right side
659,920.05x = 208,541,796,944.54 - Step 5: Solve for x
x = 208,541,796,944.54/659,920.05 - Step 6: Final answer
x = 316,010.70
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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.