Finding the Fourth Proportional to 230,801.63, 318,517.25 and 130,199.63
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Solution
The fourth proportional to 230,801.63, 318,517.25 and 130,199.63 is: 179,681.69
Step by Step Solution
- Step 1: Write the proportion equation
230,801.63 : 318,517.25 = 130,199.63 : x - Step 2: Convert to fraction form
230,801.63/318,517.25 = 130,199.63/x - Step 3: Cross multiply
230,801.63x = 318,517.25 × 130,199.63 - Step 4: Simplify right side
230,801.63x = 41,470,825,855.03 - Step 5: Solve for x
x = 41,470,825,855.03/230,801.63 - Step 6: Final answer
x = 179,681.69
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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.