Finding the Fourth Proportional to 457,582.41, 686,388.06 and 158,080.05
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Solution
The fourth proportional to 457,582.41, 686,388.06 and 158,080.05 is: 237,125.07
Step by Step Solution
- Step 1: Write the proportion equation
457,582.41 : 686,388.06 = 158,080.05 : x - Step 2: Convert to fraction form
457,582.41/686,388.06 = 158,080.05/x - Step 3: Cross multiply
457,582.41x = 686,388.06 × 158,080.05 - Step 4: Simplify right side
457,582.41x = 108,504,258,844.20 - Step 5: Solve for x
x = 108,504,258,844.20/457,582.41 - Step 6: Final answer
x = 237,125.07
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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.