Finding the Fourth Proportional to 224,430.08, 309,433.38 and 143,724.92
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Solution
The fourth proportional to 224,430.08, 309,433.38 and 143,724.92 is: 198,160.99
Step by Step Solution
- Step 1: Write the proportion equation
224,430.08 : 309,433.38 = 143,724.92 : x - Step 2: Convert to fraction form
224,430.08/309,433.38 = 143,724.92/x - Step 3: Cross multiply
224,430.08x = 309,433.38 × 143,724.92 - Step 4: Simplify right side
224,430.08x = 44,473,287,785.83 - Step 5: Solve for x
x = 44,473,287,785.83/224,430.08 - Step 6: Final answer
x = 198,160.99
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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.