Finding the Fourth Proportional to 455,528.34, 628,621.97 and 251,574.26
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Solution
The fourth proportional to 455,528.34, 628,621.97 and 251,574.26 is: 347,168.53
Step by Step Solution
- Step 1: Write the proportion equation
455,528.34 : 628,621.97 = 251,574.26 : x - Step 2: Convert to fraction form
455,528.34/628,621.97 = 251,574.26/x - Step 3: Cross multiply
455,528.34x = 628,621.97 × 251,574.26 - Step 4: Simplify right side
455,528.34x = 158,145,102,521.51 - Step 5: Solve for x
x = 158,145,102,521.51/455,528.34 - Step 6: Final answer
x = 347,168.53
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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.