Finding the Fourth Proportional to 268,441.08, 402,652.36 and 68,763.18
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Solution
The fourth proportional to 268,441.08, 402,652.36 and 68,763.18 is: 103,142.40
Step by Step Solution
- Step 1: Write the proportion equation
268,441.08 : 402,652.36 = 68,763.18 : x - Step 2: Convert to fraction form
268,441.08/402,652.36 = 68,763.18/x - Step 3: Cross multiply
268,441.08x = 402,652.36 × 68,763.18 - Step 4: Simplify right side
268,441.08x = 27,687,656,708.10 - Step 5: Solve for x
x = 27,687,656,708.10/268,441.08 - Step 6: Final answer
x = 103,142.40
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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.