Finding the Fourth Proportional to 280,152.40, 420,232.08 and 93,163.84
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Solution
The fourth proportional to 280,152.40, 420,232.08 and 93,163.84 is: 139,746.92
Step by Step Solution
- Step 1: Write the proportion equation
280,152.40 : 420,232.08 = 93,163.84 : x - Step 2: Convert to fraction form
280,152.40/420,232.08 = 93,163.84/x - Step 3: Cross multiply
280,152.40x = 420,232.08 × 93,163.84 - Step 4: Simplify right side
280,152.40x = 39,150,434,263.99 - Step 5: Solve for x
x = 39,150,434,263.99/280,152.40 - Step 6: Final answer
x = 139,746.92
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1.5x scale
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.