Finding the Fourth Proportional to 474,029.28, 711,114.72 and 174,487.09
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Solution
The fourth proportional to 474,029.28, 711,114.72 and 174,487.09 is: 261,756.70
Step by Step Solution
- Step 1: Write the proportion equation
474,029.28 : 711,114.72 = 174,487.09 : x - Step 2: Convert to fraction form
474,029.28/711,114.72 = 174,487.09/x - Step 3: Cross multiply
474,029.28x = 711,114.72 × 174,487.09 - Step 4: Simplify right side
474,029.28x = 124,080,338,148.97 - Step 5: Solve for x
x = 124,080,338,148.97/474,029.28 - Step 6: Final answer
x = 261,756.70
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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.