Finding the Fourth Proportional to 354,809.84, 532,485.48 and 130,382.96
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Solution
The fourth proportional to 354,809.84, 532,485.48 and 130,382.96 is: 195,673.92
Step by Step Solution
- Step 1: Write the proportion equation
354,809.84 : 532,485.48 = 130,382.96 : x - Step 2: Convert to fraction form
354,809.84/532,485.48 = 130,382.96/x - Step 3: Cross multiply
354,809.84x = 532,485.48 × 130,382.96 - Step 4: Simplify right side
354,809.84x = 69,427,033,039.42 - Step 5: Solve for x
x = 69,427,033,039.42/354,809.84 - Step 6: Final answer
x = 195,673.92
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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.