Finding the Fourth Proportional to 100,447.68, 150,671.40 and 38,118.08
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Solution
The fourth proportional to 100,447.68, 150,671.40 and 38,118.08 is: 57,177.07
Step by Step Solution
- Step 1: Write the proportion equation
100,447.68 : 150,671.40 = 38,118.08 : x - Step 2: Convert to fraction form
100,447.68/150,671.40 = 38,118.08/x - Step 3: Cross multiply
100,447.68x = 150,671.40 × 38,118.08 - Step 4: Simplify right side
100,447.68x = 5,743,304,478.91 - Step 5: Solve for x
x = 5,743,304,478.91/100,447.68 - Step 6: Final answer
x = 57,177.07
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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.