Finding the Fourth Proportional to 276,331.15, 381,350.60 and 155,466.19
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Solution
The fourth proportional to 276,331.15, 381,350.60 and 155,466.19 is: 214,551.00
Step by Step Solution
- Step 1: Write the proportion equation
276,331.15 : 381,350.60 = 155,466.19 : x - Step 2: Convert to fraction form
276,331.15/381,350.60 = 155,466.19/x - Step 3: Cross multiply
276,331.15x = 381,350.60 × 155,466.19 - Step 4: Simplify right side
276,331.15x = 59,287,124,836.21 - Step 5: Solve for x
x = 59,287,124,836.21/276,331.15 - Step 6: Final answer
x = 214,551.00
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1.5x scale
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.