Finding the Fourth Proportional to 372,509.80, 558,560.58 and 147,642.46
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Solution
The fourth proportional to 372,509.80, 558,560.58 and 147,642.46 is: 221,382.79
Step by Step Solution
- Step 1: Write the proportion equation
372,509.80 : 558,560.58 = 147,642.46 : x - Step 2: Convert to fraction form
372,509.80/558,560.58 = 147,642.46/x - Step 3: Cross multiply
372,509.80x = 558,560.58 × 147,642.46 - Step 4: Simplify right side
372,509.80x = 82,467,258,090.23 - Step 5: Solve for x
x = 82,467,258,090.23/372,509.80 - Step 6: Final answer
x = 221,382.79
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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.