Finding the Fourth Proportional to 409,897.97, 565,708.56 and 240,132.09
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Solution
The fourth proportional to 409,897.97, 565,708.56 and 240,132.09 is: 331,411.21
Step by Step Solution
- Step 1: Write the proportion equation
409,897.97 : 565,708.56 = 240,132.09 : x - Step 2: Convert to fraction form
409,897.97/565,708.56 = 240,132.09/x - Step 3: Cross multiply
409,897.97x = 565,708.56 × 240,132.09 - Step 4: Simplify right side
409,897.97x = 135,844,780,064.60 - Step 5: Solve for x
x = 135,844,780,064.60/409,897.97 - Step 6: Final answer
x = 331,411.21
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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.