Finding the Fourth Proportional to 68,844.66, 103,268.12 and 18,924.45
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Solution
The fourth proportional to 68,844.66, 103,268.12 and 18,924.45 is: 28,386.99
Step by Step Solution
- Step 1: Write the proportion equation
68,844.66 : 103,268.12 = 18,924.45 : x - Step 2: Convert to fraction form
68,844.66/103,268.12 = 18,924.45/x - Step 3: Cross multiply
68,844.66x = 103,268.12 × 18,924.45 - Step 4: Simplify right side
68,844.66x = 1,954,292,373.53 - Step 5: Solve for x
x = 1,954,292,373.53/68,844.66 - Step 6: Final answer
x = 28,386.99
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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.