Finding the Fourth Proportional to 343,720.98, 474,329.16 and 192,814.74
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Solution
The fourth proportional to 343,720.98, 474,329.16 and 192,814.74 is: 266,081.09
Step by Step Solution
- Step 1: Write the proportion equation
343,720.98 : 474,329.16 = 192,814.74 : x - Step 2: Convert to fraction form
343,720.98/474,329.16 = 192,814.74/x - Step 3: Cross multiply
343,720.98x = 474,329.16 × 192,814.74 - Step 4: Simplify right side
343,720.98x = 91,457,653,659.82 - Step 5: Solve for x
x = 91,457,653,659.82/343,720.98 - Step 6: Final answer
x = 266,081.09
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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.