Finding the Fourth Proportional to 323,998.74, 447,117.12 and 180,758.70
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Solution
The fourth proportional to 323,998.74, 447,117.12 and 180,758.70 is: 249,446.37
Step by Step Solution
- Step 1: Write the proportion equation
323,998.74 : 447,117.12 = 180,758.70 : x - Step 2: Convert to fraction form
323,998.74/447,117.12 = 180,758.70/x - Step 3: Cross multiply
323,998.74x = 447,117.12 × 180,758.70 - Step 4: Simplify right side
323,998.74x = 80,820,309,358.94 - Step 5: Solve for x
x = 80,820,309,358.94/323,998.74 - Step 6: Final answer
x = 249,446.37
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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.