Finding the Fourth Proportional to 225,720.96, 338,652.96 and 135,862.08
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Solution
The fourth proportional to 225,720.96, 338,652.96 and 135,862.08 is: 203,836.17
Step by Step Solution
- Step 1: Write the proportion equation
225,720.96 : 338,652.96 = 135,862.08 : x - Step 2: Convert to fraction form
225,720.96/338,652.96 = 135,862.08/x - Step 3: Cross multiply
225,720.96x = 338,652.96 × 135,862.08 - Step 4: Simplify right side
225,720.96x = 46,010,095,543.76 - Step 5: Solve for x
x = 46,010,095,543.76/225,720.96 - Step 6: Final answer
x = 203,836.17
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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.