Finding the Fourth Proportional to 134,998.80, 202,368.60 and 104,996.40
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Solution
The fourth proportional to 134,998.80, 202,368.60 and 104,996.40 is: 157,393.80
Step by Step Solution
- Step 1: Write the proportion equation
134,998.80 : 202,368.60 = 104,996.40 : x - Step 2: Convert to fraction form
134,998.80/202,368.60 = 104,996.40/x - Step 3: Cross multiply
134,998.80x = 202,368.60 × 104,996.40 - Step 4: Simplify right side
134,998.80x = 21,247,974,473.04 - Step 5: Solve for x
x = 21,247,974,473.04/134,998.80 - Step 6: Final answer
x = 157,393.80
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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.