Finding the Fourth Proportional to 176,395.75, 243,426.14 and 96,907.75
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Solution
The fourth proportional to 176,395.75, 243,426.14 and 96,907.75 is: 133,732.70
Step by Step Solution
- Step 1: Write the proportion equation
176,395.75 : 243,426.14 = 96,907.75 : x - Step 2: Convert to fraction form
176,395.75/243,426.14 = 96,907.75/x - Step 3: Cross multiply
176,395.75x = 243,426.14 × 96,907.75 - Step 4: Simplify right side
176,395.75x = 23,589,879,518.59 - Step 5: Solve for x
x = 23,589,879,518.59/176,395.75 - Step 6: Final answer
x = 133,732.70
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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.