Finding the Fourth Proportional to 268,440.08, 402,650.87 and 68,762.18
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Solution
The fourth proportional to 268,440.08, 402,650.87 and 68,762.18 is: 103,140.90
Step by Step Solution
- Step 1: Write the proportion equation
268,440.08 : 402,650.87 = 68,762.18 : x - Step 2: Convert to fraction form
268,440.08/402,650.87 = 68,762.18/x - Step 3: Cross multiply
268,440.08x = 402,650.87 × 68,762.18 - Step 4: Simplify right side
268,440.08x = 27,687,152,262.91 - Step 5: Solve for x
x = 27,687,152,262.91/268,440.08 - Step 6: Final answer
x = 103,140.90
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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.