Finding the Fourth Proportional to 256,847.08, 354,475.65 and 147,955.18
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Solution
The fourth proportional to 256,847.08, 354,475.65 and 147,955.18 is: 204,193.52
Step by Step Solution
- Step 1: Write the proportion equation
256,847.08 : 354,475.65 = 147,955.18 : x - Step 2: Convert to fraction form
256,847.08/354,475.65 = 147,955.18/x - Step 3: Cross multiply
256,847.08x = 354,475.65 × 147,955.18 - Step 4: Simplify right side
256,847.08x = 52,446,508,601.37 - Step 5: Solve for x
x = 52,446,508,601.37/256,847.08 - Step 6: Final answer
x = 204,193.52
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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.