Finding the Fourth Proportional to 945,451.42, 1,418,189.47 and 314,365.23
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Solution
The fourth proportional to 945,451.42, 1,418,189.47 and 314,365.23 is: 471,551.95
Step by Step Solution
- Step 1: Write the proportion equation
945,451.42 : 1,418,189.47 = 314,365.23 : x - Step 2: Convert to fraction form
945,451.42/1,418,189.47 = 314,365.23/x - Step 3: Cross multiply
945,451.42x = 1,418,189.47 × 314,365.23 - Step 4: Simplify right side
945,451.42x = 445,829,458,920.13 - Step 5: Solve for x
x = 445,829,458,920.13/945,451.42 - Step 6: Final answer
x = 471,551.95
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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.