Finding the Fourth Proportional to 148,152.05, 204,450.36 and 80,169.02
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Solution
The fourth proportional to 148,152.05, 204,450.36 and 80,169.02 is: 110,633.53
Step by Step Solution
- Step 1: Write the proportion equation
148,152.05 : 204,450.36 = 80,169.02 : x - Step 2: Convert to fraction form
148,152.05/204,450.36 = 80,169.02/x - Step 3: Cross multiply
148,152.05x = 204,450.36 × 80,169.02 - Step 4: Simplify right side
148,152.05x = 16,390,583,977.60 - Step 5: Solve for x
x = 16,390,583,977.60/148,152.05 - Step 6: Final answer
x = 110,633.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.