Finding the Fourth Proportional to 639,577.68, 959,199.24 and 190,177.52
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Solution
The fourth proportional to 639,577.68, 959,199.24 and 190,177.52 is: 285,216.54
Step by Step Solution
- Step 1: Write the proportion equation
639,577.68 : 959,199.24 = 190,177.52 : x - Step 2: Convert to fraction form
639,577.68/959,199.24 = 190,177.52/x - Step 3: Cross multiply
639,577.68x = 959,199.24 × 190,177.52 - Step 4: Simplify right side
639,577.68x = 182,418,132,649.09 - Step 5: Solve for x
x = 182,418,132,649.09/639,577.68 - Step 6: Final answer
x = 285,216.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.