Finding the Fourth Proportional to 295,813.72, 408,175.74 and 168,491.80
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Solution
The fourth proportional to 295,813.72, 408,175.74 and 168,491.80 is: 232,491.80
Step by Step Solution
- Step 1: Write the proportion equation
295,813.72 : 408,175.74 = 168,491.80 : x - Step 2: Convert to fraction form
295,813.72/408,175.74 = 168,491.80/x - Step 3: Cross multiply
295,813.72x = 408,175.74 × 168,491.80 - Step 4: Simplify right side
295,813.72x = 68,774,265,148.93 - Step 5: Solve for x
x = 68,774,265,148.93/295,813.72 - Step 6: Final answer
x = 232,491.80
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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.