Finding the Fourth Proportional to 430,295.80, 593,799.76 and 239,305.09
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Solution
The fourth proportional to 430,295.80, 593,799.76 and 239,305.09 is: 330,236.33
Step by Step Solution
- Step 1: Write the proportion equation
430,295.80 : 593,799.76 = 239,305.09 : x - Step 2: Convert to fraction form
430,295.80/593,799.76 = 239,305.09/x - Step 3: Cross multiply
430,295.80x = 593,799.76 × 239,305.09 - Step 4: Simplify right side
430,295.80x = 142,099,305,008.78 - Step 5: Solve for x
x = 142,099,305,008.78/430,295.80 - Step 6: Final answer
x = 330,236.33
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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.