Finding the Fourth Proportional to 410,395.59, 566,355.42 and 257,440.23
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Solution
The fourth proportional to 410,395.59, 566,355.42 and 257,440.23 is: 355,273.48
Step by Step Solution
- Step 1: Write the proportion equation
410,395.59 : 566,355.42 = 257,440.23 : x - Step 2: Convert to fraction form
410,395.59/566,355.42 = 257,440.23/x - Step 3: Cross multiply
410,395.59x = 566,355.42 × 257,440.23 - Step 4: Simplify right side
410,395.59x = 145,802,669,586.55 - Step 5: Solve for x
x = 145,802,669,586.55/410,395.59 - Step 6: Final answer
x = 355,273.48
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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.