Finding the Fourth Proportional to 723,408.91, 1,085,102.06 and 176,307.57
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Solution
The fourth proportional to 723,408.91, 1,085,102.06 and 176,307.57 is: 264,458.60
Step by Step Solution
- Step 1: Write the proportion equation
723,408.91 : 1,085,102.06 = 176,307.57 : x - Step 2: Convert to fraction form
723,408.91/1,085,102.06 = 176,307.57/x - Step 3: Cross multiply
723,408.91x = 1,085,102.06 × 176,307.57 - Step 4: Simplify right side
723,408.91x = 191,311,706,519.06 - Step 5: Solve for x
x = 191,311,706,519.06/723,408.91 - Step 6: Final answer
x = 264,458.60
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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.