Finding the Fourth Proportional to 453,989.41, 680,982.30 and 138,445.41
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Solution
The fourth proportional to 453,989.41, 680,982.30 and 138,445.41 is: 207,667.56
Step by Step Solution
- Step 1: Write the proportion equation
453,989.41 : 680,982.30 = 138,445.41 : x - Step 2: Convert to fraction form
453,989.41/680,982.30 = 138,445.41/x - Step 3: Cross multiply
453,989.41x = 680,982.30 × 138,445.41 - Step 4: Simplify right side
453,989.41x = 94,278,873,726.24 - Step 5: Solve for x
x = 94,278,873,726.24/453,989.41 - Step 6: Final answer
x = 207,667.56
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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.