Finding the Fourth Proportional to 413,321.70, 619,982.55 and 177,125.70
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Solution
The fourth proportional to 413,321.70, 619,982.55 and 177,125.70 is: 265,688.55
Step by Step Solution
- Step 1: Write the proportion equation
413,321.70 : 619,982.55 = 177,125.70 : x - Step 2: Convert to fraction form
413,321.70/619,982.55 = 177,125.70/x - Step 3: Cross multiply
413,321.70x = 619,982.55 × 177,125.70 - Step 4: Simplify right side
413,321.70x = 109,814,843,156.54 - Step 5: Solve for x
x = 109,814,843,156.54/413,321.70 - Step 6: Final answer
x = 265,688.55
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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.