Finding the Fourth Proportional to 190,690.99, 286,048.64 and 64,343.95
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Solution
The fourth proportional to 190,690.99, 286,048.64 and 64,343.95 is: 96,520.02
Step by Step Solution
- Step 1: Write the proportion equation
190,690.99 : 286,048.64 = 64,343.95 : x - Step 2: Convert to fraction form
190,690.99/286,048.64 = 64,343.95/x - Step 3: Cross multiply
190,690.99x = 286,048.64 × 64,343.95 - Step 4: Simplify right side
190,690.99x = 18,405,499,068.01 - Step 5: Solve for x
x = 18,405,499,068.01/190,690.99 - Step 6: Final answer
x = 96,520.02
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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.