Finding the Fourth Proportional to 196,649.42, 294,988.99 and 54,493.05
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Solution
The fourth proportional to 196,649.42, 294,988.99 and 54,493.05 is: 81,743.69
Step by Step Solution
- Step 1: Write the proportion equation
196,649.42 : 294,988.99 = 54,493.05 : x - Step 2: Convert to fraction form
196,649.42/294,988.99 = 54,493.05/x - Step 3: Cross multiply
196,649.42x = 294,988.99 × 54,493.05 - Step 4: Simplify right side
196,649.42x = 16,074,849,781.52 - Step 5: Solve for x
x = 16,074,849,781.52/196,649.42 - Step 6: Final answer
x = 81,743.69
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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.