Finding the Fourth Proportional to 408,198.24, 563,325.12 and 247,082.40
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Solution
The fourth proportional to 408,198.24, 563,325.12 and 247,082.40 is: 340,980.70
Step by Step Solution
- Step 1: Write the proportion equation
408,198.24 : 563,325.12 = 247,082.40 : x - Step 2: Convert to fraction form
408,198.24/563,325.12 = 247,082.40/x - Step 3: Cross multiply
408,198.24x = 563,325.12 × 247,082.40 - Step 4: Simplify right side
408,198.24x = 139,187,722,629.89 - Step 5: Solve for x
x = 139,187,722,629.89/408,198.24 - Step 6: Final answer
x = 340,980.70
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1.5x scale
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.