Finding the Fourth Proportional to 330,783.44, 456,472.86 and 192,988.76
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Solution
The fourth proportional to 330,783.44, 456,472.86 and 192,988.76 is: 266,319.65
Step by Step Solution
- Step 1: Write the proportion equation
330,783.44 : 456,472.86 = 192,988.76 : x - Step 2: Convert to fraction form
330,783.44/456,472.86 = 192,988.76/x - Step 3: Cross multiply
330,783.44x = 456,472.86 × 192,988.76 - Step 4: Simplify right side
330,783.44x = 88,094,131,225.05 - Step 5: Solve for x
x = 88,094,131,225.05/330,783.44 - Step 6: Final answer
x = 266,319.65
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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.