Finding the Fourth Proportional to 247,423.36, 341,435.08 and 134,243.68
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Solution
The fourth proportional to 247,423.36, 341,435.08 and 134,243.68 is: 185,251.31
Step by Step Solution
- Step 1: Write the proportion equation
247,423.36 : 341,435.08 = 134,243.68 : x - Step 2: Convert to fraction form
247,423.36/341,435.08 = 134,243.68/x - Step 3: Cross multiply
247,423.36x = 341,435.08 × 134,243.68 - Step 4: Simplify right side
247,423.36x = 45,835,501,620.29 - Step 5: Solve for x
x = 45,835,501,620.29/247,423.36 - Step 6: Final answer
x = 185,251.31
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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.