Finding the Fourth Proportional to 356,511.95, 534,408.08 and 223,485.62
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Solution
The fourth proportional to 356,511.95, 534,408.08 and 223,485.62 is: 335,002.86
Step by Step Solution
- Step 1: Write the proportion equation
356,511.95 : 534,408.08 = 223,485.62 : x - Step 2: Convert to fraction form
356,511.95/534,408.08 = 223,485.62/x - Step 3: Cross multiply
356,511.95x = 534,408.08 × 223,485.62 - Step 4: Simplify right side
356,511.95x = 119,432,521,310.40 - Step 5: Solve for x
x = 119,432,521,310.40/356,511.95 - Step 6: Final answer
x = 335,002.86
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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.