Finding the Fourth Proportional to 330,573.80, 495,860.70 and 307,245.80
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Solution
The fourth proportional to 330,573.80, 495,860.70 and 307,245.80 is: 460,868.70
Step by Step Solution
- Step 1: Write the proportion equation
330,573.80 : 495,860.70 = 307,245.80 : x - Step 2: Convert to fraction form
330,573.80/495,860.70 = 307,245.80/x - Step 3: Cross multiply
330,573.80x = 495,860.70 × 307,245.80 - Step 4: Simplify right side
330,573.80x = 152,351,117,460.06 - Step 5: Solve for x
x = 152,351,117,460.06/330,573.80 - Step 6: Final answer
x = 460,868.70
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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.