Finding the Fourth Proportional to 370,272.17, 555,293.43 and 133,584.09
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Solution
The fourth proportional to 370,272.17, 555,293.43 and 133,584.09 is: 200,334.71
Step by Step Solution
- Step 1: Write the proportion equation
370,272.17 : 555,293.43 = 133,584.09 : x - Step 2: Convert to fraction form
370,272.17/555,293.43 = 133,584.09/x - Step 3: Cross multiply
370,272.17x = 555,293.43 × 133,584.09 - Step 4: Simplify right side
370,272.17x = 74,178,367,529.53 - Step 5: Solve for x
x = 74,178,367,529.53/370,272.17 - Step 6: Final answer
x = 200,334.71
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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.