Finding the Fourth Proportional to 226,972.30, 313,355.91 and 201,748.90
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Solution
The fourth proportional to 226,972.30, 313,355.91 and 201,748.90 is: 278,532.71
Step by Step Solution
- Step 1: Write the proportion equation
226,972.30 : 313,355.91 = 201,748.90 : x - Step 2: Convert to fraction form
226,972.30/313,355.91 = 201,748.90/x - Step 3: Cross multiply
226,972.30x = 313,355.91 × 201,748.90 - Step 4: Simplify right side
226,972.30x = 63,219,210,151.00 - Step 5: Solve for x
x = 63,219,210,151.00/226,972.30 - Step 6: Final answer
x = 278,532.71
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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.