Finding the Fourth Proportional to 315,176.92, 472,756.74 and 104,818.84
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Solution
The fourth proportional to 315,176.92, 472,756.74 and 104,818.84 is: 157,225.39
Step by Step Solution
- Step 1: Write the proportion equation
315,176.92 : 472,756.74 = 104,818.84 : x - Step 2: Convert to fraction form
315,176.92/472,756.74 = 104,818.84/x - Step 3: Cross multiply
315,176.92x = 472,756.74 × 104,818.84 - Step 4: Simplify right side
315,176.92x = 49,553,813,088.98 - Step 5: Solve for x
x = 49,553,813,088.98/315,176.92 - Step 6: Final answer
x = 157,225.39
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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.