Finding the Fourth Proportional to 343,299.28, 473,726.88 and 192,367.12
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Solution
The fourth proportional to 343,299.28, 473,726.88 and 192,367.12 is: 265,451.99
Step by Step Solution
- Step 1: Write the proportion equation
343,299.28 : 473,726.88 = 192,367.12 : x - Step 2: Convert to fraction form
343,299.28/473,726.88 = 192,367.12/x - Step 3: Cross multiply
343,299.28x = 473,726.88 × 192,367.12 - Step 4: Simplify right side
343,299.28x = 91,129,475,572.19 - Step 5: Solve for x
x = 91,129,475,572.19/343,299.28 - Step 6: Final answer
x = 265,451.99
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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.