Finding the Fourth Proportional to 354,054.11, 531,179.71 and 154,392.08
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Solution
The fourth proportional to 354,054.11, 531,179.71 and 154,392.08 is: 231,631.09
Step by Step Solution
- Step 1: Write the proportion equation
354,054.11 : 531,179.71 = 154,392.08 : x - Step 2: Convert to fraction form
354,054.11/531,179.71 = 154,392.08/x - Step 3: Cross multiply
354,054.11x = 531,179.71 × 154,392.08 - Step 4: Simplify right side
354,054.11x = 82,009,937,238.82 - Step 5: Solve for x
x = 82,009,937,238.82/354,054.11 - Step 6: Final answer
x = 231,631.09
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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.