Finding the Fourth Proportional to 299,332.99, 449,227.91 and 109,972.81
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Solution
The fourth proportional to 299,332.99, 449,227.91 and 109,972.81 is: 165,043.14
Step by Step Solution
- Step 1: Write the proportion equation
299,332.99 : 449,227.91 = 109,972.81 : x - Step 2: Convert to fraction form
299,332.99/449,227.91 = 109,972.81/x - Step 3: Cross multiply
299,332.99x = 449,227.91 × 109,972.81 - Step 4: Simplify right side
299,332.99x = 49,402,855,593.13 - Step 5: Solve for x
x = 49,402,855,593.13/299,332.99 - Step 6: Final answer
x = 165,043.14
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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.