Finding the Fourth Proportional to 230,739.63, 318,438.65 and 127,394.08
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Solution
The fourth proportional to 230,739.63, 318,438.65 and 127,394.08 is: 175,813.75
Step by Step Solution
- Step 1: Write the proportion equation
230,739.63 : 318,438.65 = 127,394.08 : x - Step 2: Convert to fraction form
230,739.63/318,438.65 = 127,394.08/x - Step 3: Cross multiply
230,739.63x = 318,438.65 × 127,394.08 - Step 4: Simplify right side
230,739.63x = 40,567,198,853.19 - Step 5: Solve for x
x = 40,567,198,853.19/230,739.63 - Step 6: Final answer
x = 175,813.75
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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.