Finding the Fourth Proportional to 317,187.68, 475,735.04 and 92,487.76
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Solution
The fourth proportional to 317,187.68, 475,735.04 and 92,487.76 is: 138,718.09
Step by Step Solution
- Step 1: Write the proportion equation
317,187.68 : 475,735.04 = 92,487.76 : x - Step 2: Convert to fraction form
317,187.68/475,735.04 = 92,487.76/x - Step 3: Cross multiply
317,187.68x = 475,735.04 × 92,487.76 - Step 4: Simplify right side
317,187.68x = 43,999,668,203.11 - Step 5: Solve for x
x = 43,999,668,203.11/317,187.68 - Step 6: Final answer
x = 138,718.09
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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.