Finding the Fourth Proportional to 118,980.99, 178,391.62 and 46,867.96
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Solution
The fourth proportional to 118,980.99, 178,391.62 and 46,867.96 is: 70,270.48
Step by Step Solution
- Step 1: Write the proportion equation
118,980.99 : 178,391.62 = 46,867.96 : x - Step 2: Convert to fraction form
118,980.99/178,391.62 = 46,867.96/x - Step 3: Cross multiply
118,980.99x = 178,391.62 × 46,867.96 - Step 4: Simplify right side
118,980.99x = 8,360,851,310.50 - Step 5: Solve for x
x = 8,360,851,310.50/118,980.99 - Step 6: Final answer
x = 70,270.48
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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.