Finding the Fourth Proportional to 343,446.21, 473,984.09 and 190,533.63
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Solution
The fourth proportional to 343,446.21, 473,984.09 and 190,533.63 is: 262,952.12
Step by Step Solution
- Step 1: Write the proportion equation
343,446.21 : 473,984.09 = 190,533.63 : x - Step 2: Convert to fraction form
343,446.21/473,984.09 = 190,533.63/x - Step 3: Cross multiply
343,446.21x = 473,984.09 × 190,533.63 - Step 4: Simplify right side
343,446.21x = 90,309,908,277.28 - Step 5: Solve for x
x = 90,309,908,277.28/343,446.21 - Step 6: Final answer
x = 262,952.12
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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.