Finding the Fourth Proportional to 450,175.68, 621,365.28 and 280,309.44
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Solution
The fourth proportional to 450,175.68, 621,365.28 and 280,309.44 is: 386,903.52
Step by Step Solution
- Step 1: Write the proportion equation
450,175.68 : 621,365.28 = 280,309.44 : x - Step 2: Convert to fraction form
450,175.68/621,365.28 = 280,309.44/x - Step 3: Cross multiply
450,175.68x = 621,365.28 × 280,309.44 - Step 4: Simplify right side
450,175.68x = 174,174,553,672.24 - Step 5: Solve for x
x = 174,174,553,672.24/450,175.68 - Step 6: Final answer
x = 386,903.52
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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.