Finding the Fourth Proportional to 153,983.10, 230,998.95 and 48,812.70
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Solution
The fourth proportional to 153,983.10, 230,998.95 and 48,812.70 is: 73,226.75
Step by Step Solution
- Step 1: Write the proportion equation
153,983.10 : 230,998.95 = 48,812.70 : x - Step 2: Convert to fraction form
153,983.10/230,998.95 = 48,812.70/x - Step 3: Cross multiply
153,983.10x = 230,998.95 × 48,812.70 - Step 4: Simplify right side
153,983.10x = 11,275,682,446.67 - Step 5: Solve for x
x = 11,275,682,446.67/153,983.10 - Step 6: Final answer
x = 73,226.75
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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.