Finding the Fourth Proportional to 292,331.70, 438,497.55 and 126,119.70
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Solution
The fourth proportional to 292,331.70, 438,497.55 and 126,119.70 is: 189,179.55
Step by Step Solution
- Step 1: Write the proportion equation
292,331.70 : 438,497.55 = 126,119.70 : x - Step 2: Convert to fraction form
292,331.70/438,497.55 = 126,119.70/x - Step 3: Cross multiply
292,331.70x = 438,497.55 × 126,119.70 - Step 4: Simplify right side
292,331.70x = 55,303,179,456.74 - Step 5: Solve for x
x = 55,303,179,456.74/292,331.70 - Step 6: Final answer
x = 189,179.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.