Finding the Fourth Proportional to 195,309.09, 292,987.08 and 68,923.23
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Solution
The fourth proportional to 195,309.09, 292,987.08 and 68,923.23 is: 103,393.12
Step by Step Solution
- Step 1: Write the proportion equation
195,309.09 : 292,987.08 = 68,923.23 : x - Step 2: Convert to fraction form
195,309.09/292,987.08 = 68,923.23/x - Step 3: Cross multiply
195,309.09x = 292,987.08 × 68,923.23 - Step 4: Simplify right side
195,309.09x = 20,193,615,901.87 - Step 5: Solve for x
x = 20,193,615,901.87/195,309.09 - Step 6: Final answer
x = 103,393.12
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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.