Finding the Fourth Proportional to 188,192.21, 282,288.71 and 132,282.50
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Solution
The fourth proportional to 188,192.21, 282,288.71 and 132,282.50 is: 198,424.02
Step by Step Solution
- Step 1: Write the proportion equation
188,192.21 : 282,288.71 = 132,282.50 : x - Step 2: Convert to fraction form
188,192.21/282,288.71 = 132,282.50/x - Step 3: Cross multiply
188,192.21x = 282,288.71 × 132,282.50 - Step 4: Simplify right side
188,192.21x = 37,341,855,199.84 - Step 5: Solve for x
x = 37,341,855,199.84/188,192.21 - Step 6: Final answer
x = 198,424.02
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1.5x scale
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.