Finding the Fourth Proportional to 324,860.66, 486,963.75 and 135,425.82
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Solution
The fourth proportional to 324,860.66, 486,963.75 and 135,425.82 is: 203,002.32
Step by Step Solution
- Step 1: Write the proportion equation
324,860.66 : 486,963.75 = 135,425.82 : x - Step 2: Convert to fraction form
324,860.66/486,963.75 = 135,425.82/x - Step 3: Cross multiply
324,860.66x = 486,963.75 × 135,425.82 - Step 4: Simplify right side
324,860.66x = 65,947,465,154.03 - Step 5: Solve for x
x = 65,947,465,154.03/324,860.66 - Step 6: Final answer
x = 203,002.32
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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.