Finding the Fourth Proportional to 352,438.36, 528,652.98 and 86,201.08
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Solution
The fourth proportional to 352,438.36, 528,652.98 and 86,201.08 is: 129,300.50
Step by Step Solution
- Step 1: Write the proportion equation
352,438.36 : 528,652.98 = 86,201.08 : x - Step 2: Convert to fraction form
352,438.36/528,652.98 = 86,201.08/x - Step 3: Cross multiply
352,438.36x = 528,652.98 × 86,201.08 - Step 4: Simplify right side
352,438.36x = 45,570,457,821.22 - Step 5: Solve for x
x = 45,570,457,821.22/352,438.36 - Step 6: Final answer
x = 129,300.50
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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.