Finding the Fourth Proportional to 190,588.98, 262,840.68 and 118,975.62
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Solution
The fourth proportional to 190,588.98, 262,840.68 and 118,975.62 is: 164,078.91
Step by Step Solution
- Step 1: Write the proportion equation
190,588.98 : 262,840.68 = 118,975.62 : x - Step 2: Convert to fraction form
190,588.98/262,840.68 = 118,975.62/x - Step 3: Cross multiply
190,588.98x = 262,840.68 × 118,975.62 - Step 4: Simplify right side
190,588.98x = 31,271,632,864.22 - Step 5: Solve for x
x = 31,271,632,864.22/190,588.98 - Step 6: Final answer
x = 164,078.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.