Finding the Fourth Proportional to 274,464.99, 411,534.81 and 84,869.24
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Solution
The fourth proportional to 274,464.99, 411,534.81 and 84,869.24 is: 127,253.55
Step by Step Solution
- Step 1: Write the proportion equation
274,464.99 : 411,534.81 = 84,869.24 : x - Step 2: Convert to fraction form
274,464.99/411,534.81 = 84,869.24/x - Step 3: Cross multiply
274,464.99x = 411,534.81 × 84,869.24 - Step 4: Simplify right side
274,464.99x = 34,926,644,500.57 - Step 5: Solve for x
x = 34,926,644,500.57/274,464.99 - Step 6: Final answer
x = 127,253.55
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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.