Finding the Fourth Proportional to 370,272.68, 555,294.17 and 133,584.59
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Solution
The fourth proportional to 370,272.68, 555,294.17 and 133,584.59 is: 200,335.45
Step by Step Solution
- Step 1: Write the proportion equation
370,272.68 : 555,294.17 = 133,584.59 : x - Step 2: Convert to fraction form
370,272.68/555,294.17 = 133,584.59/x - Step 3: Cross multiply
370,272.68x = 555,294.17 × 133,584.59 - Step 4: Simplify right side
370,272.68x = 74,178,743,360.92 - Step 5: Solve for x
x = 74,178,743,360.92/370,272.68 - Step 6: Final answer
x = 200,335.45
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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.