Finding the Fourth Proportional to 399,574.26, 598,987.71 and 146,786.88
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Solution
The fourth proportional to 399,574.26, 598,987.71 and 146,786.88 is: 220,043.05
Step by Step Solution
- Step 1: Write the proportion equation
399,574.26 : 598,987.71 = 146,786.88 : x - Step 2: Convert to fraction form
399,574.26/598,987.71 = 146,786.88/x - Step 3: Cross multiply
399,574.26x = 598,987.71 × 146,786.88 - Step 4: Simplify right side
399,574.26x = 87,923,537,109.24 - Step 5: Solve for x
x = 87,923,537,109.24/399,574.26 - Step 6: Final answer
x = 220,043.05
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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.