Finding the Fourth Proportional to 304,295.19, 456,484.31 and 126,760.68
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Solution
The fourth proportional to 304,295.19, 456,484.31 and 126,760.68 is: 190,158.32
Step by Step Solution
- Step 1: Write the proportion equation
304,295.19 : 456,484.31 = 126,760.68 : x - Step 2: Convert to fraction form
304,295.19/456,484.31 = 126,760.68/x - Step 3: Cross multiply
304,295.19x = 456,484.31 × 126,760.68 - Step 4: Simplify right side
304,295.19x = 57,864,260,911.13 - Step 5: Solve for x
x = 57,864,260,911.13/304,295.19 - Step 6: Final answer
x = 190,158.32
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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.