Finding the Fourth Proportional to 272,485.11, 408,462.50 and 130,293.66
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Solution
The fourth proportional to 272,485.11, 408,462.50 and 130,293.66 is: 195,313.70
Step by Step Solution
- Step 1: Write the proportion equation
272,485.11 : 408,462.50 = 130,293.66 : x - Step 2: Convert to fraction form
272,485.11/408,462.50 = 130,293.66/x - Step 3: Cross multiply
272,485.11x = 408,462.50 × 130,293.66 - Step 4: Simplify right side
272,485.11x = 53,220,074,978.02 - Step 5: Solve for x
x = 53,220,074,978.02/272,485.11 - Step 6: Final answer
x = 195,313.70
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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.