Finding the Fourth Proportional to 408,107.43, 612,160.34 and 108,587.99
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Solution
The fourth proportional to 408,107.43, 612,160.34 and 108,587.99 is: 162,881.77
Step by Step Solution
- Step 1: Write the proportion equation
408,107.43 : 612,160.34 = 108,587.99 : x - Step 2: Convert to fraction form
408,107.43/612,160.34 = 108,587.99/x - Step 3: Cross multiply
408,107.43x = 612,160.34 × 108,587.99 - Step 4: Simplify right side
408,107.43x = 66,473,261,865.78 - Step 5: Solve for x
x = 66,473,261,865.78/408,107.43 - Step 6: Final answer
x = 162,881.77
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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.