Finding the Fourth Proportional to 285,808.16, 394,386.84 and 164,988.37
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Solution
The fourth proportional to 285,808.16, 394,386.84 and 164,988.37 is: 227,667.54
Step by Step Solution
- Step 1: Write the proportion equation
285,808.16 : 394,386.84 = 164,988.37 : x - Step 2: Convert to fraction form
285,808.16/394,386.84 = 164,988.37/x - Step 3: Cross multiply
285,808.16x = 394,386.84 × 164,988.37 - Step 4: Simplify right side
285,808.16x = 65,069,241,881.05 - Step 5: Solve for x
x = 65,069,241,881.05/285,808.16 - Step 6: Final answer
x = 227,667.54
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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.