Finding the Fourth Proportional to 434,542.80, 651,619.80 and 168,214.80
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Solution
The fourth proportional to 434,542.80, 651,619.80 and 168,214.80 is: 252,246.95
Step by Step Solution
- Step 1: Write the proportion equation
434,542.80 : 651,619.80 = 168,214.80 : x - Step 2: Convert to fraction form
434,542.80/651,619.80 = 168,214.80/x - Step 3: Cross multiply
434,542.80x = 651,619.80 × 168,214.80 - Step 4: Simplify right side
434,542.80x = 109,612,094,333.04 - Step 5: Solve for x
x = 109,612,094,333.04/434,542.80 - Step 6: Final answer
x = 252,246.95
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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.