Finding the Fourth Proportional to 188,331.68, 282,536.40 and 55,216.28
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Solution
The fourth proportional to 188,331.68, 282,536.40 and 55,216.28 is: 82,835.82
Step by Step Solution
- Step 1: Write the proportion equation
188,331.68 : 282,536.40 = 55,216.28 : x - Step 2: Convert to fraction form
188,331.68/282,536.40 = 55,216.28/x - Step 3: Cross multiply
188,331.68x = 282,536.40 × 55,216.28 - Step 4: Simplify right side
188,331.68x = 15,600,608,972.59 - Step 5: Solve for x
x = 15,600,608,972.59/188,331.68 - Step 6: Final answer
x = 82,835.82
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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.