Finding the Fourth Proportional to 343,212.72, 473,614.20 and 199,996.08
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Solution
The fourth proportional to 343,212.72, 473,614.20 and 199,996.08 is: 275,983.31
Step by Step Solution
- Step 1: Write the proportion equation
343,212.72 : 473,614.20 = 199,996.08 : x - Step 2: Convert to fraction form
343,212.72/473,614.20 = 199,996.08/x - Step 3: Cross multiply
343,212.72x = 473,614.20 × 199,996.08 - Step 4: Simplify right side
343,212.72x = 94,720,983,432.34 - Step 5: Solve for x
x = 94,720,983,432.34/343,212.72 - Step 6: Final answer
x = 275,983.31
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1.5x scale
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.