Finding the Fourth Proportional to 628,473.24, 942,711.80 and 155,158.65
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Solution
The fourth proportional to 628,473.24, 942,711.80 and 155,158.65 is: 232,738.45
Step by Step Solution
- Step 1: Write the proportion equation
628,473.24 : 942,711.80 = 155,158.65 : x - Step 2: Convert to fraction form
628,473.24/942,711.80 = 155,158.65/x - Step 3: Cross multiply
628,473.24x = 942,711.80 × 155,158.65 - Step 4: Simplify right side
628,473.24x = 146,269,889,451.28 - Step 5: Solve for x
x = 146,269,889,451.28/628,473.24 - Step 6: Final answer
x = 232,738.45
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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.