Finding the Fourth Proportional to 69,304.68, 103,941.12 and 19,388.31
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Solution
The fourth proportional to 69,304.68, 103,941.12 and 19,388.31 is: 29,078.02
Step by Step Solution
- Step 1: Write the proportion equation
69,304.68 : 103,941.12 = 19,388.31 : x - Step 2: Convert to fraction form
69,304.68/103,941.12 = 19,388.31/x - Step 3: Cross multiply
69,304.68x = 103,941.12 × 19,388.31 - Step 4: Simplify right side
69,304.68x = 2,015,242,656.31 - Step 5: Solve for x
x = 2,015,242,656.31/69,304.68 - Step 6: Final answer
x = 29,078.02
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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.