Finding the Fourth Proportional to 385,184.36, 531,387.24 and 232,135.58
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Solution
The fourth proportional to 385,184.36, 531,387.24 and 232,135.58 is: 320,246.35
Step by Step Solution
- Step 1: Write the proportion equation
385,184.36 : 531,387.24 = 232,135.58 : x - Step 2: Convert to fraction form
385,184.36/531,387.24 = 232,135.58/x - Step 3: Cross multiply
385,184.36x = 531,387.24 × 232,135.58 - Step 4: Simplify right side
385,184.36x = 123,353,885,162.00 - Step 5: Solve for x
x = 123,353,885,162.00/385,184.36 - Step 6: Final answer
x = 320,246.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.