Finding the Fourth Proportional to 403,519.68, 556,973.28 and 269,772.48
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Solution
The fourth proportional to 403,519.68, 556,973.28 and 269,772.48 is: 372,363.66
Step by Step Solution
- Step 1: Write the proportion equation
403,519.68 : 556,973.28 = 269,772.48 : x - Step 2: Convert to fraction form
403,519.68/556,973.28 = 269,772.48/x - Step 3: Cross multiply
403,519.68x = 556,973.28 × 269,772.48 - Step 4: Simplify right side
403,519.68x = 150,256,063,039.33 - Step 5: Solve for x
x = 150,256,063,039.33/403,519.68 - Step 6: Final answer
x = 372,363.66
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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.