Finding the Fourth Proportional to 189,380.95, 284,115.16 and 56,258.26
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Solution
The fourth proportional to 189,380.95, 284,115.16 and 56,258.26 is: 84,400.38
Step by Step Solution
- Step 1: Write the proportion equation
189,380.95 : 284,115.16 = 56,258.26 : x - Step 2: Convert to fraction form
189,380.95/284,115.16 = 56,258.26/x - Step 3: Cross multiply
189,380.95x = 284,115.16 × 56,258.26 - Step 4: Simplify right side
189,380.95x = 15,983,824,541.22 - Step 5: Solve for x
x = 15,983,824,541.22/189,380.95 - Step 6: Final answer
x = 84,400.38
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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.