Finding the Fourth Proportional to 480,853.04, 721,506.36 and 214,589.84
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Solution
The fourth proportional to 480,853.04, 721,506.36 and 214,589.84 is: 321,985.97
Step by Step Solution
- Step 1: Write the proportion equation
480,853.04 : 721,506.36 = 214,589.84 : x - Step 2: Convert to fraction form
480,853.04/721,506.36 = 214,589.84/x - Step 3: Cross multiply
480,853.04x = 721,506.36 × 214,589.84 - Step 4: Simplify right side
480,853.04x = 154,827,934,351.38 - Step 5: Solve for x
x = 154,827,934,351.38/480,853.04 - Step 6: Final answer
x = 321,985.97
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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.