Finding the Fourth Proportional to 284,506.19, 426,969.77 and 134,746.74
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Solution
The fourth proportional to 284,506.19, 426,969.77 and 134,746.74 is: 202,219.80
Step by Step Solution
- Step 1: Write the proportion equation
284,506.19 : 426,969.77 = 134,746.74 : x - Step 2: Convert to fraction form
284,506.19/426,969.77 = 134,746.74/x - Step 3: Cross multiply
284,506.19x = 426,969.77 × 134,746.74 - Step 4: Simplify right side
284,506.19x = 57,532,783,912.32 - Step 5: Solve for x
x = 57,532,783,912.32/284,506.19 - Step 6: Final answer
x = 202,219.80
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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.