Finding the Fourth Proportional to 341,766.35, 512,698.55 and 105,128.99
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Solution
The fourth proportional to 341,766.35, 512,698.55 and 105,128.99 is: 157,708.56
Step by Step Solution
- Step 1: Write the proportion equation
341,766.35 : 512,698.55 = 105,128.99 : x - Step 2: Convert to fraction form
341,766.35/512,698.55 = 105,128.99/x - Step 3: Cross multiply
341,766.35x = 512,698.55 × 105,128.99 - Step 4: Simplify right side
341,766.35x = 53,899,480,210.32 - Step 5: Solve for x
x = 53,899,480,210.32/341,766.35 - Step 6: Final answer
x = 157,708.56
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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.