Finding the Fourth Proportional to 542,668.50, 748,882.53 and 300,988.08
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Solution
The fourth proportional to 542,668.50, 748,882.53 and 300,988.08 is: 415,363.55
Step by Step Solution
- Step 1: Write the proportion equation
542,668.50 : 748,882.53 = 300,988.08 : x - Step 2: Convert to fraction form
542,668.50/748,882.53 = 300,988.08/x - Step 3: Cross multiply
542,668.50x = 748,882.53 × 300,988.08 - Step 4: Simplify right side
542,668.50x = 225,404,714,850.24 - Step 5: Solve for x
x = 225,404,714,850.24/542,668.50 - Step 6: Final answer
x = 415,363.55
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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.