Finding the Fourth Proportional to 115,705.56, 173,572.02 and 40,810.08
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Solution
The fourth proportional to 115,705.56, 173,572.02 and 40,810.08 is: 61,219.95
Step by Step Solution
- Step 1: Write the proportion equation
115,705.56 : 173,572.02 = 40,810.08 : x - Step 2: Convert to fraction form
115,705.56/173,572.02 = 40,810.08/x - Step 3: Cross multiply
115,705.56x = 173,572.02 × 40,810.08 - Step 4: Simplify right side
115,705.56x = 7,083,488,021.96 - Step 5: Solve for x
x = 7,083,488,021.96/115,705.56 - Step 6: Final answer
x = 61,219.95
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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.