Finding the Fourth Proportional to 411,024.40, 616,536.60 and 115,536.40
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Solution
The fourth proportional to 411,024.40, 616,536.60 and 115,536.40 is: 173,304.60
Step by Step Solution
- Step 1: Write the proportion equation
411,024.40 : 616,536.60 = 115,536.40 : x - Step 2: Convert to fraction form
411,024.40/616,536.60 = 115,536.40/x - Step 3: Cross multiply
411,024.40x = 616,536.60 × 115,536.40 - Step 4: Simplify right side
411,024.40x = 71,232,419,232.24 - Step 5: Solve for x
x = 71,232,419,232.24/411,024.40 - Step 6: Final answer
x = 173,304.60
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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.