Finding the Fourth Proportional to 175,903.75, 263,855.63 and 77,407.75
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Solution
The fourth proportional to 175,903.75, 263,855.63 and 77,407.75 is: 116,111.63
Step by Step Solution
- Step 1: Write the proportion equation
175,903.75 : 263,855.63 = 77,407.75 : x - Step 2: Convert to fraction form
175,903.75/263,855.63 = 77,407.75/x - Step 3: Cross multiply
175,903.75x = 263,855.63 × 77,407.75 - Step 4: Simplify right side
175,903.75x = 20,424,470,256.09 - Step 5: Solve for x
x = 20,424,470,256.09/175,903.75 - Step 6: Final answer
x = 116,111.63
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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.