Finding the Fourth Proportional to 118,924.60, 178,235.70 and 48,724.60
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Solution
The fourth proportional to 118,924.60, 178,235.70 and 48,724.60 is: 73,024.95
Step by Step Solution
- Step 1: Write the proportion equation
118,924.60 : 178,235.70 = 48,724.60 : x - Step 2: Convert to fraction form
118,924.60/178,235.70 = 48,724.60/x - Step 3: Cross multiply
118,924.60x = 178,235.70 × 48,724.60 - Step 4: Simplify right side
118,924.60x = 8,684,463,188.22 - Step 5: Solve for x
x = 8,684,463,188.22/118,924.60 - Step 6: Final answer
x = 73,024.95
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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.