Finding the Fourth Proportional to 637,975.09, 957,149.75 and 188,707.78
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Solution
The fourth proportional to 637,975.09, 957,149.75 and 188,707.78 is: 283,117.02
Step by Step Solution
- Step 1: Write the proportion equation
637,975.09 : 957,149.75 = 188,707.78 : x - Step 2: Convert to fraction form
637,975.09/957,149.75 = 188,707.78/x - Step 3: Cross multiply
637,975.09x = 957,149.75 × 188,707.78 - Step 4: Simplify right side
637,975.09x = 180,621,604,450.06 - Step 5: Solve for x
x = 180,621,604,450.06/637,975.09 - Step 6: Final answer
x = 283,117.02
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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.