Finding the Fourth Proportional to 323,993.19, 447,101.94 and 180,749.55
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Solution
The fourth proportional to 323,993.19, 447,101.94 and 180,749.55 is: 249,429.55
Step by Step Solution
- Step 1: Write the proportion equation
323,993.19 : 447,101.94 = 180,749.55 : x - Step 2: Convert to fraction form
323,993.19/447,101.94 = 180,749.55/x - Step 3: Cross multiply
323,993.19x = 447,101.94 × 180,749.55 - Step 4: Simplify right side
323,993.19x = 80,813,474,459.13 - Step 5: Solve for x
x = 80,813,474,459.13/323,993.19 - Step 6: Final answer
x = 249,429.55
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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.