Finding the Fourth Proportional to 134,880.20, 202,320.30 and 46,125.80
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Solution
The fourth proportional to 134,880.20, 202,320.30 and 46,125.80 is: 69,188.70
Step by Step Solution
- Step 1: Write the proportion equation
134,880.20 : 202,320.30 = 46,125.80 : x - Step 2: Convert to fraction form
134,880.20/202,320.30 = 46,125.80/x - Step 3: Cross multiply
134,880.20x = 202,320.30 × 46,125.80 - Step 4: Simplify right side
134,880.20x = 9,332,185,693.74 - Step 5: Solve for x
x = 9,332,185,693.74/134,880.20 - Step 6: Final answer
x = 69,188.70
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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.