Finding the Fourth Proportional to 342,220.24, 513,461.46 and 142,486.96
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Solution
The fourth proportional to 342,220.24, 513,461.46 and 142,486.96 is: 213,785.02
Step by Step Solution
- Step 1: Write the proportion equation
342,220.24 : 513,461.46 = 142,486.96 : x - Step 2: Convert to fraction form
342,220.24/513,461.46 = 142,486.96/x - Step 3: Cross multiply
342,220.24x = 513,461.46 × 142,486.96 - Step 4: Simplify right side
342,220.24x = 73,161,562,512.56 - Step 5: Solve for x
x = 73,161,562,512.56/342,220.24 - Step 6: Final answer
x = 213,785.02
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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.