Finding the Fourth Proportional to 216,462.76, 323,108.99 and 190,896.91
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Solution
The fourth proportional to 216,462.76, 323,108.99 and 190,896.91 is: 284,947.43
Step by Step Solution
- Step 1: Write the proportion equation
216,462.76 : 323,108.99 = 190,896.91 : x - Step 2: Convert to fraction form
216,462.76/323,108.99 = 190,896.91/x - Step 3: Cross multiply
216,462.76x = 323,108.99 × 190,896.91 - Step 4: Simplify right side
216,462.76x = 61,680,507,784.22 - Step 5: Solve for x
x = 61,680,507,784.22/216,462.76 - Step 6: Final answer
x = 284,947.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.