Finding the Fourth Proportional to 199,838.24, 299,669.52 and 106,321.76
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Solution
The fourth proportional to 199,838.24, 299,669.52 and 106,321.76 is: 159,435.91
Step by Step Solution
- Step 1: Write the proportion equation
199,838.24 : 299,669.52 = 106,321.76 : x - Step 2: Convert to fraction form
199,838.24/299,669.52 = 106,321.76/x - Step 3: Cross multiply
199,838.24x = 299,669.52 × 106,321.76 - Step 4: Simplify right side
199,838.24x = 31,861,390,784.76 - Step 5: Solve for x
x = 31,861,390,784.76/199,838.24 - Step 6: Final answer
x = 159,435.91
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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.