Finding the Fourth Proportional to 433,905.70, 650,858.55 and 247,281.70
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Solution
The fourth proportional to 433,905.70, 650,858.55 and 247,281.70 is: 370,922.55
Step by Step Solution
- Step 1: Write the proportion equation
433,905.70 : 650,858.55 = 247,281.70 : x - Step 2: Convert to fraction form
433,905.70/650,858.55 = 247,281.70/x - Step 3: Cross multiply
433,905.70x = 650,858.55 × 247,281.70 - Step 4: Simplify right side
433,905.70x = 160,945,408,703.54 - Step 5: Solve for x
x = 160,945,408,703.54/433,905.70 - Step 6: Final answer
x = 370,922.55
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1.5x scale
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.