Finding the Fourth Proportional to 330,130.80, 495,229.01 and 119,785.14
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Solution
The fourth proportional to 330,130.80, 495,229.01 and 119,785.14 is: 179,689.61
Step by Step Solution
- Step 1: Write the proportion equation
330,130.80 : 495,229.01 = 119,785.14 : x - Step 2: Convert to fraction form
330,130.80/495,229.01 = 119,785.14/x - Step 3: Cross multiply
330,130.80x = 495,229.01 × 119,785.14 - Step 4: Simplify right side
330,130.80x = 59,321,075,695.99 - Step 5: Solve for x
x = 59,321,075,695.99/330,130.80 - Step 6: Final answer
x = 179,689.61
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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.