Finding the Fourth Proportional to 68,643.19, 102,967.66 and 24,270.31
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Solution
The fourth proportional to 68,643.19, 102,967.66 and 24,270.31 is: 36,406.48
Step by Step Solution
- Step 1: Write the proportion equation
68,643.19 : 102,967.66 = 24,270.31 : x - Step 2: Convert to fraction form
68,643.19/102,967.66 = 24,270.31/x - Step 3: Cross multiply
68,643.19x = 102,967.66 × 24,270.31 - Step 4: Simplify right side
68,643.19x = 2,499,056,513.34 - Step 5: Solve for x
x = 2,499,056,513.34/68,643.19 - Step 6: Final answer
x = 36,406.48
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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.