Finding the Fourth Proportional to 340,791.05, 470,294.50 and 187,829.62
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Solution
The fourth proportional to 340,791.05, 470,294.50 and 187,829.62 is: 259,206.45
Step by Step Solution
- Step 1: Write the proportion equation
340,791.05 : 470,294.50 = 187,829.62 : x - Step 2: Convert to fraction form
340,791.05/470,294.50 = 187,829.62/x - Step 3: Cross multiply
340,791.05x = 470,294.50 × 187,829.62 - Step 4: Simplify right side
340,791.05x = 88,335,235,577.78 - Step 5: Solve for x
x = 88,335,235,577.78/340,791.05 - Step 6: Final answer
x = 259,206.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.