Finding the Fourth Proportional to 450,438.18, 675,853.29 and 282,343.74
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Solution
The fourth proportional to 450,438.18, 675,853.29 and 282,343.74 is: 423,638.48
Step by Step Solution
- Step 1: Write the proportion equation
450,438.18 : 675,853.29 = 282,343.74 : x - Step 2: Convert to fraction form
450,438.18/675,853.29 = 282,343.74/x - Step 3: Cross multiply
450,438.18x = 675,853.29 × 282,343.74 - Step 4: Simplify right side
450,438.18x = 190,822,945,589.91 - Step 5: Solve for x
x = 190,822,945,589.91/450,438.18 - Step 6: Final answer
x = 423,638.48
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1.5x scale
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.