Finding the Fourth Proportional to 188,655.68, 282,886.14 and 55,518.65
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Solution
The fourth proportional to 188,655.68, 282,886.14 and 55,518.65 is: 83,249.32
Step by Step Solution
- Step 1: Write the proportion equation
188,655.68 : 282,886.14 = 55,518.65 : x - Step 2: Convert to fraction form
188,655.68/282,886.14 = 55,518.65/x - Step 3: Cross multiply
188,655.68x = 282,886.14 × 55,518.65 - Step 4: Simplify right side
188,655.68x = 15,705,456,596.51 - Step 5: Solve for x
x = 15,705,456,596.51/188,655.68 - Step 6: Final answer
x = 83,249.32
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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.