Finding the Fourth Proportional to 433,438.40, 598,132.68 and 252,205.76
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Solution
The fourth proportional to 433,438.40, 598,132.68 and 252,205.76 is: 348,036.78
Step by Step Solution
- Step 1: Write the proportion equation
433,438.40 : 598,132.68 = 252,205.76 : x - Step 2: Convert to fraction form
433,438.40/598,132.68 = 252,205.76/x - Step 3: Cross multiply
433,438.40x = 598,132.68 × 252,205.76 - Step 4: Simplify right side
433,438.40x = 150,852,507,140.24 - Step 5: Solve for x
x = 150,852,507,140.24/433,438.40 - Step 6: Final answer
x = 348,036.78
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1.5x scale
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.