Finding the Fourth Proportional to 352,139.33, 528,208.99 and 85,898.05
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Solution
The fourth proportional to 352,139.33, 528,208.99 and 85,898.05 is: 128,847.07
Step by Step Solution
- Step 1: Write the proportion equation
352,139.33 : 528,208.99 = 85,898.05 : x - Step 2: Convert to fraction form
352,139.33/528,208.99 = 85,898.05/x - Step 3: Cross multiply
352,139.33x = 528,208.99 × 85,898.05 - Step 4: Simplify right side
352,139.33x = 45,372,120,698.20 - Step 5: Solve for x
x = 45,372,120,698.20/352,139.33 - Step 6: Final answer
x = 128,847.07
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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.