Finding the Fourth Proportional to 420,596.98, 580,372.77 and 239,331.94
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Solution
The fourth proportional to 420,596.98, 580,372.77 and 239,331.94 is: 330,249.02
Step by Step Solution
- Step 1: Write the proportion equation
420,596.98 : 580,372.77 = 239,331.94 : x - Step 2: Convert to fraction form
420,596.98/580,372.77 = 239,331.94/x - Step 3: Cross multiply
420,596.98x = 580,372.77 × 239,331.94 - Step 4: Simplify right side
420,596.98x = 138,901,740,967.27 - Step 5: Solve for x
x = 138,901,740,967.27/420,596.98 - Step 6: Final answer
x = 330,249.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.