Finding the Fourth Proportional to 447,575.84, 617,668.26 and 316,987.44
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Solution
The fourth proportional to 447,575.84, 617,668.26 and 316,987.44 is: 437,452.30
Step by Step Solution
- Step 1: Write the proportion equation
447,575.84 : 617,668.26 = 316,987.44 : x - Step 2: Convert to fraction form
447,575.84/617,668.26 = 316,987.44/x - Step 3: Cross multiply
447,575.84x = 617,668.26 × 316,987.44 - Step 4: Simplify right side
447,575.84x = 195,793,080,506.65 - Step 5: Solve for x
x = 195,793,080,506.65/447,575.84 - Step 6: Final answer
x = 437,452.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.