Finding the Fourth Proportional to 369,455.65, 509,877.68 and 206,163.50
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Solution
The fourth proportional to 369,455.65, 509,877.68 and 206,163.50 is: 284,521.75
Step by Step Solution
- Step 1: Write the proportion equation
369,455.65 : 509,877.68 = 206,163.50 : x - Step 2: Convert to fraction form
369,455.65/509,877.68 = 206,163.50/x - Step 3: Cross multiply
369,455.65x = 509,877.68 × 206,163.50 - Step 4: Simplify right side
369,455.65x = 105,118,167,080.68 - Step 5: Solve for x
x = 105,118,167,080.68/369,455.65 - Step 6: Final answer
x = 284,521.75
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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.