Finding the Fourth Proportional to 472,161.36, 708,183.36 and 191,408.88
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Solution
The fourth proportional to 472,161.36, 708,183.36 and 191,408.88 is: 287,089.53
Step by Step Solution
- Step 1: Write the proportion equation
472,161.36 : 708,183.36 = 191,408.88 : x - Step 2: Convert to fraction form
472,161.36/708,183.36 = 191,408.88/x - Step 3: Cross multiply
472,161.36x = 708,183.36 × 191,408.88 - Step 4: Simplify right side
472,161.36x = 135,552,583,772.24 - Step 5: Solve for x
x = 135,552,583,772.24/472,161.36 - Step 6: Final answer
x = 287,089.53
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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.