Finding the Fourth Proportional to 330,221.20, 495,331.80 and 93,560.80
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Solution
The fourth proportional to 330,221.20, 495,331.80 and 93,560.80 is: 140,341.20
Step by Step Solution
- Step 1: Write the proportion equation
330,221.20 : 495,331.80 = 93,560.80 : x - Step 2: Convert to fraction form
330,221.20/495,331.80 = 93,560.80/x - Step 3: Cross multiply
330,221.20x = 495,331.80 × 93,560.80 - Step 4: Simplify right side
330,221.20x = 46,343,639,473.44 - Step 5: Solve for x
x = 46,343,639,473.44/330,221.20 - Step 6: Final answer
x = 140,341.20
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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.