Finding the Fourth Proportional to 247,747.63, 341,915.58 and 138,851.44
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Solution
The fourth proportional to 247,747.63, 341,915.58 and 138,851.44 is: 191,628.35
Step by Step Solution
- Step 1: Write the proportion equation
247,747.63 : 341,915.58 = 138,851.44 : x - Step 2: Convert to fraction form
247,747.63/341,915.58 = 138,851.44/x - Step 3: Cross multiply
247,747.63x = 341,915.58 × 138,851.44 - Step 4: Simplify right side
247,747.63x = 47,475,470,641.44 - Step 5: Solve for x
x = 47,475,470,641.44/247,747.63 - Step 6: Final answer
x = 191,628.35
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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.