Finding the Fourth Proportional to 408,662.71, 563,945.74 and 236,587.98
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Solution
The fourth proportional to 408,662.71, 563,945.74 and 236,587.98 is: 326,486.32
Step by Step Solution
- Step 1: Write the proportion equation
408,662.71 : 563,945.74 = 236,587.98 : x - Step 2: Convert to fraction form
408,662.71/563,945.74 = 236,587.98/x - Step 3: Cross multiply
408,662.71x = 563,945.74 × 236,587.98 - Step 4: Simplify right side
408,662.71x = 133,422,783,456.21 - Step 5: Solve for x
x = 133,422,783,456.21/408,662.71 - Step 6: Final answer
x = 326,486.32
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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.