Finding the Fourth Proportional to 286,010.84, 394,695.02 and 158,686.13
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Solution
The fourth proportional to 286,010.84, 394,695.02 and 158,686.13 is: 218,986.90
Step by Step Solution
- Step 1: Write the proportion equation
286,010.84 : 394,695.02 = 158,686.13 : x - Step 2: Convert to fraction form
286,010.84/394,695.02 = 158,686.13/x - Step 3: Cross multiply
286,010.84x = 394,695.02 × 158,686.13 - Step 4: Simplify right side
286,010.84x = 62,632,626,637.53 - Step 5: Solve for x
x = 62,632,626,637.53/286,010.84 - Step 6: Final answer
x = 218,986.90
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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.