Finding the Fourth Proportional to 401,299.94, 553,840.08 and 229,245.14
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Solution
The fourth proportional to 401,299.94, 553,840.08 and 229,245.14 is: 316,384.66
Step by Step Solution
- Step 1: Write the proportion equation
401,299.94 : 553,840.08 = 229,245.14 : x - Step 2: Convert to fraction form
401,299.94/553,840.08 = 229,245.14/x - Step 3: Cross multiply
401,299.94x = 553,840.08 × 229,245.14 - Step 4: Simplify right side
401,299.94x = 126,965,146,677.21 - Step 5: Solve for x
x = 126,965,146,677.21/401,299.94 - Step 6: Final answer
x = 316,384.66
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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.