Finding the Fourth Proportional to 323,719.29, 446,736.69 and 187,758.99
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Solution
The fourth proportional to 323,719.29, 446,736.69 and 187,758.99 is: 259,109.77
Step by Step Solution
- Step 1: Write the proportion equation
323,719.29 : 446,736.69 = 187,758.99 : x - Step 2: Convert to fraction form
323,719.29/446,736.69 = 187,758.99/x - Step 3: Cross multiply
323,719.29x = 446,736.69 × 187,758.99 - Step 4: Simplify right side
323,719.29x = 83,878,829,710.34 - Step 5: Solve for x
x = 83,878,829,710.34/323,719.29 - Step 6: Final answer
x = 259,109.77
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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.