Finding the Fourth Proportional to 283,122.88, 390,725.70 and 162,284.26
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Solution
The fourth proportional to 283,122.88, 390,725.70 and 162,284.26 is: 223,961.52
Step by Step Solution
- Step 1: Write the proportion equation
283,122.88 : 390,725.70 = 162,284.26 : x - Step 2: Convert to fraction form
283,122.88/390,725.70 = 162,284.26/x - Step 3: Cross multiply
283,122.88x = 390,725.70 × 162,284.26 - Step 4: Simplify right side
283,122.88x = 63,408,631,087.48 - Step 5: Solve for x
x = 63,408,631,087.48/283,122.88 - Step 6: Final answer
x = 223,961.52
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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.