Finding the Fourth Proportional to 340,423.26, 469,784.79 and 189,525.66
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Solution
The fourth proportional to 340,423.26, 469,784.79 and 189,525.66 is: 261,545.80
Step by Step Solution
- Step 1: Write the proportion equation
340,423.26 : 469,784.79 = 189,525.66 : x - Step 2: Convert to fraction form
340,423.26/469,784.79 = 189,525.66/x - Step 3: Cross multiply
340,423.26x = 469,784.79 × 189,525.66 - Step 4: Simplify right side
340,423.26x = 89,036,272,382.71 - Step 5: Solve for x
x = 89,036,272,382.71/340,423.26 - Step 6: Final answer
x = 261,545.80
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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.