Finding the Fourth Proportional to 396,777.23, 547,639.77 and 260,823.74
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Solution
The fourth proportional to 396,777.23, 547,639.77 and 260,823.74 is: 359,994.07
Step by Step Solution
- Step 1: Write the proportion equation
396,777.23 : 547,639.77 = 260,823.74 : x - Step 2: Convert to fraction form
396,777.23/547,639.77 = 260,823.74/x - Step 3: Cross multiply
396,777.23x = 547,639.77 × 260,823.74 - Step 4: Simplify right side
396,777.23x = 142,837,451,680.02 - Step 5: Solve for x
x = 142,837,451,680.02/396,777.23 - Step 6: Final answer
x = 359,994.07
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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.