Finding the Fourth Proportional to 829,275.23, 1,243,774.11 and 230,296.94
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Solution
The fourth proportional to 829,275.23, 1,243,774.11 and 230,296.94 is: 345,406.88
Step by Step Solution
- Step 1: Write the proportion equation
829,275.23 : 1,243,774.11 = 230,296.94 : x - Step 2: Convert to fraction form
829,275.23/1,243,774.11 = 230,296.94/x - Step 3: Cross multiply
829,275.23x = 1,243,774.11 × 230,296.94 - Step 4: Simplify right side
829,275.23x = 286,437,371,584.22 - Step 5: Solve for x
x = 286,437,371,584.22/829,275.23 - Step 6: Final answer
x = 345,406.88
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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.