Finding the Fourth Proportional to 147,947.08, 221,920.70 and 49,451.08
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Solution
The fourth proportional to 147,947.08, 221,920.70 and 49,451.08 is: 74,176.65
Step by Step Solution
- Step 1: Write the proportion equation
147,947.08 : 221,920.70 = 49,451.08 : x - Step 2: Convert to fraction form
147,947.08/221,920.70 = 49,451.08/x - Step 3: Cross multiply
147,947.08x = 221,920.70 × 49,451.08 - Step 4: Simplify right side
147,947.08x = 10,974,218,289.36 - Step 5: Solve for x
x = 10,974,218,289.36/147,947.08 - Step 6: Final answer
x = 74,176.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.