Finding the Fourth Proportional to 372,048.13, 558,059.76 and 161,686.09
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Solution
The fourth proportional to 372,048.13, 558,059.76 and 161,686.09 is: 242,523.73
Step by Step Solution
- Step 1: Write the proportion equation
372,048.13 : 558,059.76 = 161,686.09 : x - Step 2: Convert to fraction form
372,048.13/558,059.76 = 161,686.09/x - Step 3: Cross multiply
372,048.13x = 558,059.76 × 161,686.09 - Step 4: Simplify right side
372,048.13x = 90,230,500,580.74 - Step 5: Solve for x
x = 90,230,500,580.74/372,048.13 - Step 6: Final answer
x = 242,523.73
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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.