Finding the Fourth Proportional to 306,908.24, 423,554.65 and 186,054.62
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Solution
The fourth proportional to 306,908.24, 423,554.65 and 186,054.62 is: 256,768.27
Step by Step Solution
- Step 1: Write the proportion equation
306,908.24 : 423,554.65 = 186,054.62 : x - Step 2: Convert to fraction form
306,908.24/423,554.65 = 186,054.62/x - Step 3: Cross multiply
306,908.24x = 423,554.65 × 186,054.62 - Step 4: Simplify right side
306,908.24x = 78,804,297,337.21 - Step 5: Solve for x
x = 78,804,297,337.21/306,908.24 - Step 6: Final answer
x = 256,768.27
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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.