Finding the Fourth Proportional to 453,447.21, 625,497.22 and 283,386.09
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Solution
The fourth proportional to 453,447.21, 625,497.22 and 283,386.09 is: 390,910.36
Step by Step Solution
- Step 1: Write the proportion equation
453,447.21 : 625,497.22 = 283,386.09 : x - Step 2: Convert to fraction form
453,447.21/625,497.22 = 283,386.09/x - Step 3: Cross multiply
453,447.21x = 625,497.22 × 283,386.09 - Step 4: Simplify right side
453,447.21x = 177,257,214,181.52 - Step 5: Solve for x
x = 177,257,214,181.52/453,447.21 - Step 6: Final answer
x = 390,910.36
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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.