Finding the Fourth Proportional to 230,918.80, 318,740.52 and 135,464.08
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Solution
The fourth proportional to 230,918.80, 318,740.52 and 135,464.08 is: 186,983.01
Step by Step Solution
- Step 1: Write the proportion equation
230,918.80 : 318,740.52 = 135,464.08 : x - Step 2: Convert to fraction form
230,918.80/318,740.52 = 135,464.08/x - Step 3: Cross multiply
230,918.80x = 318,740.52 × 135,464.08 - Step 4: Simplify right side
230,918.80x = 43,177,891,300.52 - Step 5: Solve for x
x = 43,177,891,300.52/230,918.80 - Step 6: Final answer
x = 186,983.01
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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.