Finding the Fourth Proportional to 446,743.24, 616,649.22 and 286,031.08
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Solution
The fourth proportional to 446,743.24, 616,649.22 and 286,031.08 is: 394,814.80
Step by Step Solution
- Step 1: Write the proportion equation
446,743.24 : 616,649.22 = 286,031.08 : x - Step 2: Convert to fraction form
446,743.24/616,649.22 = 286,031.08/x - Step 3: Cross multiply
446,743.24x = 616,649.22 × 286,031.08 - Step 4: Simplify right side
446,743.24x = 176,380,842,377.76 - Step 5: Solve for x
x = 176,380,842,377.76/446,743.24 - Step 6: Final answer
x = 394,814.80
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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.