Finding the Fourth Proportional to 368,584.70, 508,663.26 and 207,450.20
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Solution
The fourth proportional to 368,584.70, 508,663.26 and 207,450.20 is: 286,290.49
Step by Step Solution
- Step 1: Write the proportion equation
368,584.70 : 508,663.26 = 207,450.20 : x - Step 2: Convert to fraction form
368,584.70/508,663.26 = 207,450.20/x - Step 3: Cross multiply
368,584.70x = 508,663.26 × 207,450.20 - Step 4: Simplify right side
368,584.70x = 105,522,295,019.65 - Step 5: Solve for x
x = 105,522,295,019.65/368,584.70 - Step 6: Final answer
x = 286,290.49
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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.