Finding the Fourth Proportional to 403,693.94, 605,537.88 and 104,149.06
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Solution
The fourth proportional to 403,693.94, 605,537.88 and 104,149.06 is: 156,222.80
Step by Step Solution
- Step 1: Write the proportion equation
403,693.94 : 605,537.88 = 104,149.06 : x - Step 2: Convert to fraction form
403,693.94/605,537.88 = 104,149.06/x - Step 3: Cross multiply
403,693.94x = 605,537.88 × 104,149.06 - Step 4: Simplify right side
403,693.94x = 63,066,199,091.99 - Step 5: Solve for x
x = 63,066,199,091.99/403,693.94 - Step 6: Final answer
x = 156,222.80
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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.