Finding the Fourth Proportional to 280,376.70, 420,696.36 and 122,584.74
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Solution
The fourth proportional to 280,376.70, 420,696.36 and 122,584.74 is: 183,934.52
Step by Step Solution
- Step 1: Write the proportion equation
280,376.70 : 420,696.36 = 122,584.74 : x - Step 2: Convert to fraction form
280,376.70/420,696.36 = 122,584.74/x - Step 3: Cross multiply
280,376.70x = 420,696.36 × 122,584.74 - Step 4: Simplify right side
280,376.70x = 51,570,953,909.55 - Step 5: Solve for x
x = 51,570,953,909.55/280,376.70 - Step 6: Final answer
x = 183,934.52
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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.