Finding the Fourth Proportional to 217,262.17, 299,817.25 and 119,143.99
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Solution
The fourth proportional to 217,262.17, 299,817.25 and 119,143.99 is: 164,416.21
Step by Step Solution
- Step 1: Write the proportion equation
217,262.17 : 299,817.25 = 119,143.99 : x - Step 2: Convert to fraction form
217,262.17/299,817.25 = 119,143.99/x - Step 3: Cross multiply
217,262.17x = 299,817.25 × 119,143.99 - Step 4: Simplify right side
217,262.17x = 35,721,423,435.83 - Step 5: Solve for x
x = 35,721,423,435.83/217,262.17 - Step 6: Final answer
x = 164,416.21
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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.