Finding the Fourth Proportional to 115,554.03, 173,212.12 and 56,316.40
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Solution
The fourth proportional to 115,554.03, 173,212.12 and 56,316.40 is: 84,416.64
Step by Step Solution
- Step 1: Write the proportion equation
115,554.03 : 173,212.12 = 56,316.40 : x - Step 2: Convert to fraction form
115,554.03/173,212.12 = 56,316.40/x - Step 3: Cross multiply
115,554.03x = 173,212.12 × 56,316.40 - Step 4: Simplify right side
115,554.03x = 9,754,682,672.13 - Step 5: Solve for x
x = 9,754,682,672.13/115,554.03 - Step 6: Final answer
x = 84,416.64
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1.5x scale
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.