Finding the Fourth Proportional to 323,972.19, 447,026.25 and 187,974.96
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Solution
The fourth proportional to 323,972.19, 447,026.25 and 187,974.96 is: 259,373.32
Step by Step Solution
- Step 1: Write the proportion equation
323,972.19 : 447,026.25 = 187,974.96 : x - Step 2: Convert to fraction form
323,972.19/447,026.25 = 187,974.96/x - Step 3: Cross multiply
323,972.19x = 447,026.25 × 187,974.96 - Step 4: Simplify right side
323,972.19x = 84,029,741,462.70 - Step 5: Solve for x
x = 84,029,741,462.70/323,972.19 - Step 6: Final answer
x = 259,373.32
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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.