Finding the Fourth Proportional to 247,006.44, 371,005.65 and 147,361.05
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Solution
The fourth proportional to 247,006.44, 371,005.65 and 147,361.05 is: 221,337.48
Step by Step Solution
- Step 1: Write the proportion equation
247,006.44 : 371,005.65 = 147,361.05 : x - Step 2: Convert to fraction form
247,006.44/371,005.65 = 147,361.05/x - Step 3: Cross multiply
247,006.44x = 371,005.65 × 147,361.05 - Step 4: Simplify right side
247,006.44x = 54,671,782,139.93 - Step 5: Solve for x
x = 54,671,782,139.93/247,006.44 - Step 6: Final answer
x = 221,337.48
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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.