Finding the Fourth Proportional to 330,130.42, 495,195.63 and 180,288.96
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Solution
The fourth proportional to 330,130.42, 495,195.63 and 180,288.96 is: 270,433.43
Step by Step Solution
- Step 1: Write the proportion equation
330,130.42 : 495,195.63 = 180,288.96 : x - Step 2: Convert to fraction form
330,130.42/495,195.63 = 180,288.96/x - Step 3: Cross multiply
330,130.42x = 495,195.63 × 180,288.96 - Step 4: Simplify right side
330,130.42x = 89,278,302,596.18 - Step 5: Solve for x
x = 89,278,302,596.18/330,130.42 - Step 6: Final answer
x = 270,433.43
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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.