Finding the Fourth Proportional to 479,272.72, 661,398.52 and 264,412.68
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Solution
The fourth proportional to 479,272.72, 661,398.52 and 264,412.68 is: 364,890.69
Step by Step Solution
- Step 1: Write the proportion equation
479,272.72 : 661,398.52 = 264,412.68 : x - Step 2: Convert to fraction form
479,272.72/661,398.52 = 264,412.68/x - Step 3: Cross multiply
479,272.72x = 661,398.52 × 264,412.68 - Step 4: Simplify right side
479,272.72x = 174,882,155,221.23 - Step 5: Solve for x
x = 174,882,155,221.23/479,272.72 - Step 6: Final answer
x = 364,890.69
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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.