Finding the Fourth Proportional to 278,176.08, 383,718.50 and 177,574.08
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Solution
The fourth proportional to 278,176.08, 383,718.50 and 177,574.08 is: 244,947.23
Step by Step Solution
- Step 1: Write the proportion equation
278,176.08 : 383,718.50 = 177,574.08 : x - Step 2: Convert to fraction form
278,176.08/383,718.50 = 177,574.08/x - Step 3: Cross multiply
278,176.08x = 383,718.50 × 177,574.08 - Step 4: Simplify right side
278,176.08x = 68,138,459,616.48 - Step 5: Solve for x
x = 68,138,459,616.48/278,176.08 - Step 6: Final answer
x = 244,947.23
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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.