Finding the Fourth Proportional to 360,938.05, 498,098.91 and 199,807.99
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Solution
The fourth proportional to 360,938.05, 498,098.91 and 199,807.99 is: 275,737.46
Step by Step Solution
- Step 1: Write the proportion equation
360,938.05 : 498,098.91 = 199,807.99 : x - Step 2: Convert to fraction form
360,938.05/498,098.91 = 199,807.99/x - Step 3: Cross multiply
360,938.05x = 498,098.91 × 199,807.99 - Step 4: Simplify right side
360,938.05x = 99,524,142,028.29 - Step 5: Solve for x
x = 99,524,142,028.29/360,938.05 - Step 6: Final answer
x = 275,737.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.