Finding the Fourth Proportional to 216,779.87, 299,153.99 and 119,983.95
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Solution
The fourth proportional to 216,779.87, 299,153.99 and 119,983.95 is: 165,576.62
Step by Step Solution
- Step 1: Write the proportion equation
216,779.87 : 299,153.99 = 119,983.95 : x - Step 2: Convert to fraction form
216,779.87/299,153.99 = 119,983.95/x - Step 3: Cross multiply
216,779.87x = 299,153.99 × 119,983.95 - Step 4: Simplify right side
216,779.87x = 35,893,677,678.42 - Step 5: Solve for x
x = 35,893,677,678.42/216,779.87 - Step 6: Final answer
x = 165,576.62
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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.