Finding the Fourth Proportional to 306,695.08, 423,210.18 and 172,550.44
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Solution
The fourth proportional to 306,695.08, 423,210.18 and 172,550.44 is: 238,103.27
Step by Step Solution
- Step 1: Write the proportion equation
306,695.08 : 423,210.18 = 172,550.44 : x - Step 2: Convert to fraction form
306,695.08/423,210.18 = 172,550.44/x - Step 3: Cross multiply
306,695.08x = 423,210.18 × 172,550.44 - Step 4: Simplify right side
306,695.08x = 73,025,102,771.48 - Step 5: Solve for x
x = 73,025,102,771.48/306,695.08 - Step 6: Final answer
x = 238,103.27
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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.