Finding the Fourth Proportional to 372,242.05, 558,090.84 and 119,378.61
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Solution
The fourth proportional to 372,242.05, 558,090.84 and 119,378.61 is: 178,980.61
Step by Step Solution
- Step 1: Write the proportion equation
372,242.05 : 558,090.84 = 119,378.61 : x - Step 2: Convert to fraction form
372,242.05/558,090.84 = 119,378.61/x - Step 3: Cross multiply
372,242.05x = 558,090.84 × 119,378.61 - Step 4: Simplify right side
372,242.05x = 66,624,108,732.93 - Step 5: Solve for x
x = 66,624,108,732.93/372,242.05 - Step 6: Final answer
x = 178,980.61
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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.