Finding the Fourth Proportional to 202,323.80, 303,485.70 and 69,159.80
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Solution
The fourth proportional to 202,323.80, 303,485.70 and 69,159.80 is: 103,739.70
Step by Step Solution
- Step 1: Write the proportion equation
202,323.80 : 303,485.70 = 69,159.80 : x - Step 2: Convert to fraction form
202,323.80/303,485.70 = 69,159.80/x - Step 3: Cross multiply
202,323.80x = 303,485.70 × 69,159.80 - Step 4: Simplify right side
202,323.80x = 20,989,010,314.86 - Step 5: Solve for x
x = 20,989,010,314.86/202,323.80 - Step 6: Final answer
x = 103,739.70
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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.