Finding the Fourth Proportional to 303,777.76, 419,177.28 and 176,432.80
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Solution
The fourth proportional to 303,777.76, 419,177.28 and 176,432.80 is: 243,456.34
Step by Step Solution
- Step 1: Write the proportion equation
303,777.76 : 419,177.28 = 176,432.80 : x - Step 2: Convert to fraction form
303,777.76/419,177.28 = 176,432.80/x - Step 3: Cross multiply
303,777.76x = 419,177.28 × 176,432.80 - Step 4: Simplify right side
303,777.76x = 73,956,621,206.78 - Step 5: Solve for x
x = 73,956,621,206.78/303,777.76 - Step 6: Final answer
x = 243,456.34
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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.