Finding the Fourth Proportional to 320,893.92, 481,582.99 and 219,449.58
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Solution
The fourth proportional to 320,893.92, 481,582.99 and 219,449.58 is: 329,339.94
Step by Step Solution
- Step 1: Write the proportion equation
320,893.92 : 481,582.99 = 219,449.58 : x - Step 2: Convert to fraction form
320,893.92/481,582.99 = 219,449.58/x - Step 3: Cross multiply
320,893.92x = 481,582.99 × 219,449.58 - Step 4: Simplify right side
320,893.92x = 105,683,184,890.64 - Step 5: Solve for x
x = 105,683,184,890.64/320,893.92 - Step 6: Final answer
x = 329,339.94
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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.