Finding the Fourth Proportional to 409,052.23, 613,671.29 and 124,768.20
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Solution
The fourth proportional to 409,052.23, 613,671.29 and 124,768.20 is: 187,180.65
Step by Step Solution
- Step 1: Write the proportion equation
409,052.23 : 613,671.29 = 124,768.20 : x - Step 2: Convert to fraction form
409,052.23/613,671.29 = 124,768.20/x - Step 3: Cross multiply
409,052.23x = 613,671.29 × 124,768.20 - Step 4: Simplify right side
409,052.23x = 76,566,660,938.38 - Step 5: Solve for x
x = 76,566,660,938.38/409,052.23 - Step 6: Final answer
x = 187,180.65
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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.