Finding the Fourth Proportional to 282,191.85, 423,352.42 and 122,294.63
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Solution
The fourth proportional to 282,191.85, 423,352.42 and 122,294.63 is: 183,469.95
Step by Step Solution
- Step 1: Write the proportion equation
282,191.85 : 423,352.42 = 122,294.63 : x - Step 2: Convert to fraction form
282,191.85/423,352.42 = 122,294.63/x - Step 3: Cross multiply
282,191.85x = 423,352.42 × 122,294.63 - Step 4: Simplify right side
282,191.85x = 51,773,725,934.79 - Step 5: Solve for x
x = 51,773,725,934.79/282,191.85 - Step 6: Final answer
x = 183,469.95
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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.