Finding the Fourth Proportional to 430,662.75, 594,308.79 and 239,676.09
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Solution
The fourth proportional to 430,662.75, 594,308.79 and 239,676.09 is: 330,749.77
Step by Step Solution
- Step 1: Write the proportion equation
430,662.75 : 594,308.79 = 239,676.09 : x - Step 2: Convert to fraction form
430,662.75/594,308.79 = 239,676.09/x - Step 3: Cross multiply
430,662.75x = 594,308.79 × 239,676.09 - Step 4: Simplify right side
430,662.75x = 142,441,607,039.83 - Step 5: Solve for x
x = 142,441,607,039.83/430,662.75 - Step 6: Final answer
x = 330,749.77
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1.5x scale
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.