Finding the Fourth Proportional to 324,000.10, 486,000.15 and 164,567.80
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Solution
The fourth proportional to 324,000.10, 486,000.15 and 164,567.80 is: 246,851.70
Step by Step Solution
- Step 1: Write the proportion equation
324,000.10 : 486,000.15 = 164,567.80 : x - Step 2: Convert to fraction form
324,000.10/486,000.15 = 164,567.80/x - Step 3: Cross multiply
324,000.10x = 486,000.15 × 164,567.80 - Step 4: Simplify right side
324,000.10x = 79,979,975,485.17 - Step 5: Solve for x
x = 79,979,975,485.17/324,000.10 - Step 6: Final answer
x = 246,851.70
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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.