Finding the Fourth Proportional to 276,242.94, 381,219.18 and 163,065.68
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Solution
The fourth proportional to 276,242.94, 381,219.18 and 163,065.68 is: 225,032.95
Step by Step Solution
- Step 1: Write the proportion equation
276,242.94 : 381,219.18 = 163,065.68 : x - Step 2: Convert to fraction form
276,242.94/381,219.18 = 163,065.68/x - Step 3: Cross multiply
276,242.94x = 381,219.18 × 163,065.68 - Step 4: Simplify right side
276,242.94x = 62,163,764,815.74 - Step 5: Solve for x
x = 62,163,764,815.74/276,242.94 - Step 6: Final answer
x = 225,032.95
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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.