Finding the Fourth Proportional to 287,176.76, 430,376.94 and 207,351.26
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Solution
The fourth proportional to 287,176.76, 430,376.94 and 207,351.26 is: 310,746.59
Step by Step Solution
- Step 1: Write the proportion equation
287,176.76 : 430,376.94 = 207,351.26 : x - Step 2: Convert to fraction form
287,176.76/430,376.94 = 207,351.26/x - Step 3: Cross multiply
287,176.76x = 430,376.94 × 207,351.26 - Step 4: Simplify right side
287,176.76x = 89,239,198,632.06 - Step 5: Solve for x
x = 89,239,198,632.06/287,176.76 - Step 6: Final answer
x = 310,746.59
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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.