Finding the Fourth Proportional to 188,027.60, 282,013.70 and 61,681.19
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Solution
The fourth proportional to 188,027.60, 282,013.70 and 61,681.19 is: 92,512.70
Step by Step Solution
- Step 1: Write the proportion equation
188,027.60 : 282,013.70 = 61,681.19 : x - Step 2: Convert to fraction form
188,027.60/282,013.70 = 61,681.19/x - Step 3: Cross multiply
188,027.60x = 282,013.70 × 61,681.19 - Step 4: Simplify right side
188,027.60x = 17,394,941,163.13 - Step 5: Solve for x
x = 17,394,941,163.13/188,027.60 - Step 6: Final answer
x = 92,512.70
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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.