Finding the Fourth Proportional to 434,077.09, 651,109.56 and 263,339.49
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Solution
The fourth proportional to 434,077.09, 651,109.56 and 263,339.49 is: 395,005.55
Step by Step Solution
- Step 1: Write the proportion equation
434,077.09 : 651,109.56 = 263,339.49 : x - Step 2: Convert to fraction form
434,077.09/651,109.56 = 263,339.49/x - Step 3: Cross multiply
434,077.09x = 651,109.56 × 263,339.49 - Step 4: Simplify right side
434,077.09x = 171,462,859,464.52 - Step 5: Solve for x
x = 171,462,859,464.52/434,077.09 - Step 6: Final answer
x = 395,005.55
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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.