Finding the Fourth Proportional to 409,389.06, 614,177.07 and 125,120.07
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Solution
The fourth proportional to 409,389.06, 614,177.07 and 125,120.07 is: 187,708.67
Step by Step Solution
- Step 1: Write the proportion equation
409,389.06 : 614,177.07 = 125,120.07 : x - Step 2: Convert to fraction form
409,389.06/614,177.07 = 125,120.07/x - Step 3: Cross multiply
409,389.06x = 614,177.07 × 125,120.07 - Step 4: Simplify right side
409,389.06x = 76,845,874,294.31 - Step 5: Solve for x
x = 76,845,874,294.31/409,389.06 - Step 6: Final answer
x = 187,708.67
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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.