Finding the Fourth Proportional to 134,837.60, 202,256.40 and 46,069.70
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Solution
The fourth proportional to 134,837.60, 202,256.40 and 46,069.70 is: 69,104.55
Step by Step Solution
- Step 1: Write the proportion equation
134,837.60 : 202,256.40 = 46,069.70 : x - Step 2: Convert to fraction form
134,837.60/202,256.40 = 46,069.70/x - Step 3: Cross multiply
134,837.60x = 202,256.40 × 46,069.70 - Step 4: Simplify right side
134,837.60x = 9,317,891,671.08 - Step 5: Solve for x
x = 9,317,891,671.08/134,837.60 - Step 6: Final answer
x = 69,104.55
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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.