Finding the Fourth Proportional to 78,790.08, 118,187.52 and 26,204.88
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Solution
The fourth proportional to 78,790.08, 118,187.52 and 26,204.88 is: 39,308.12
Step by Step Solution
- Step 1: Write the proportion equation
78,790.08 : 118,187.52 = 26,204.88 : x - Step 2: Convert to fraction form
78,790.08/118,187.52 = 26,204.88/x - Step 3: Cross multiply
78,790.08x = 118,187.52 × 26,204.88 - Step 4: Simplify right side
78,790.08x = 3,097,089,779.10 - Step 5: Solve for x
x = 3,097,089,779.10/78,790.08 - Step 6: Final answer
x = 39,308.12
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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.