Finding the Fourth Proportional to 631,857.06, 947,834.55 and 211,134.42
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Solution
The fourth proportional to 631,857.06, 947,834.55 and 211,134.42 is: 316,717.99
Step by Step Solution
- Step 1: Write the proportion equation
631,857.06 : 947,834.55 = 211,134.42 : x - Step 2: Convert to fraction form
631,857.06/947,834.55 = 211,134.42/x - Step 3: Cross multiply
631,857.06x = 947,834.55 × 211,134.42 - Step 4: Simplify right side
631,857.06x = 200,120,497,970.21 - Step 5: Solve for x
x = 200,120,497,970.21/631,857.06 - Step 6: Final answer
x = 316,717.99
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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.