Finding the Fourth Proportional to 313,725.25, 432,940.92 and 170,484.95
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Solution
The fourth proportional to 313,725.25, 432,940.92 and 170,484.95 is: 235,269.27
Step by Step Solution
- Step 1: Write the proportion equation
313,725.25 : 432,940.92 = 170,484.95 : x - Step 2: Convert to fraction form
313,725.25/432,940.92 = 170,484.95/x - Step 3: Cross multiply
313,725.25x = 432,940.92 × 170,484.95 - Step 4: Simplify right side
313,725.25x = 73,809,911,542.19 - Step 5: Solve for x
x = 73,809,911,542.19/313,725.25 - Step 6: Final answer
x = 235,269.27
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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.