Finding the Fourth Proportional to 323,389.99, 446,282.90 and 187,433.38
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Solution
The fourth proportional to 323,389.99, 446,282.90 and 187,433.38 is: 258,660.80
Step by Step Solution
- Step 1: Write the proportion equation
323,389.99 : 446,282.90 = 187,433.38 : x - Step 2: Convert to fraction form
323,389.99/446,282.90 = 187,433.38/x - Step 3: Cross multiply
323,389.99x = 446,282.90 × 187,433.38 - Step 4: Simplify right side
323,389.99x = 83,648,312,383.20 - Step 5: Solve for x
x = 83,648,312,383.20/323,389.99 - Step 6: Final answer
x = 258,660.80
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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.