Finding the Fourth Proportional to 103,316.58, 154,918.37 and 32,220.21
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Solution
The fourth proportional to 103,316.58, 154,918.37 and 32,220.21 is: 48,312.70
Step by Step Solution
- Step 1: Write the proportion equation
103,316.58 : 154,918.37 = 32,220.21 : x - Step 2: Convert to fraction form
103,316.58/154,918.37 = 32,220.21/x - Step 3: Cross multiply
103,316.58x = 154,918.37 × 32,220.21 - Step 4: Simplify right side
103,316.58x = 4,991,503,075.75 - Step 5: Solve for x
x = 4,991,503,075.75/103,316.58 - Step 6: Final answer
x = 48,312.70
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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.