Finding the Fourth Proportional to 190,764.99, 286,199.33 and 66,115.71
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Solution
The fourth proportional to 190,764.99, 286,199.33 and 66,115.71 is: 99,191.53
Step by Step Solution
- Step 1: Write the proportion equation
190,764.99 : 286,199.33 = 66,115.71 : x - Step 2: Convert to fraction form
190,764.99/286,199.33 = 66,115.71/x - Step 3: Cross multiply
190,764.99x = 286,199.33 × 66,115.71 - Step 4: Simplify right side
190,764.99x = 18,922,271,573.90 - Step 5: Solve for x
x = 18,922,271,573.90/190,764.99 - Step 6: Final answer
x = 99,191.53
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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.