Finding the Fourth Proportional to 545,115.22, 817,622.71 and 145,741.68
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Solution
The fourth proportional to 545,115.22, 817,622.71 and 145,741.68 is: 218,599.12
Step by Step Solution
- Step 1: Write the proportion equation
545,115.22 : 817,622.71 = 145,741.68 : x - Step 2: Convert to fraction form
545,115.22/817,622.71 = 145,741.68/x - Step 3: Cross multiply
545,115.22x = 817,622.71 × 145,741.68 - Step 4: Simplify right side
545,115.22x = 119,161,706,997.20 - Step 5: Solve for x
x = 119,161,706,997.20/545,115.22 - Step 6: Final answer
x = 218,599.12
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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.