Finding the Fourth Proportional to 561,838.77, 842,842.08 and 206,825.79
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Solution
The fourth proportional to 561,838.77, 842,842.08 and 206,825.79 is: 310,269.58
Step by Step Solution
- Step 1: Write the proportion equation
561,838.77 : 842,842.08 = 206,825.79 : x - Step 2: Convert to fraction form
561,838.77/842,842.08 = 206,825.79/x - Step 3: Cross multiply
561,838.77x = 842,842.08 × 206,825.79 - Step 4: Simplify right side
561,838.77x = 174,321,479,041.24 - Step 5: Solve for x
x = 174,321,479,041.24/561,838.77 - Step 6: Final answer
x = 310,269.58
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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.