Finding the Fourth Proportional to 348,537.13, 522,810.86 and 135,317.39
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Solution
The fourth proportional to 348,537.13, 522,810.86 and 135,317.39 is: 202,978.08
Step by Step Solution
- Step 1: Write the proportion equation
348,537.13 : 522,810.86 = 135,317.39 : x - Step 2: Convert to fraction form
348,537.13/522,810.86 = 135,317.39/x - Step 3: Cross multiply
348,537.13x = 522,810.86 × 135,317.39 - Step 4: Simplify right side
348,537.13x = 70,745,397,748.21 - Step 5: Solve for x
x = 70,745,397,748.21/348,537.13 - Step 6: Final answer
x = 202,978.08
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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.