Finding the Fourth Proportional to 542,209.68, 748,205.29 and 300,502.44
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Solution
The fourth proportional to 542,209.68, 748,205.29 and 300,502.44 is: 414,668.94
Step by Step Solution
- Step 1: Write the proportion equation
542,209.68 : 748,205.29 = 300,502.44 : x - Step 2: Convert to fraction form
542,209.68/748,205.29 = 300,502.44/x - Step 3: Cross multiply
542,209.68x = 748,205.29 × 300,502.44 - Step 4: Simplify right side
542,209.68x = 224,837,515,265.91 - Step 5: Solve for x
x = 224,837,515,265.91/542,209.68 - Step 6: Final answer
x = 414,668.94
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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.