Finding the Fourth Proportional to 188,285.68, 260,003.01 and 140,455.99
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Solution
The fourth proportional to 188,285.68, 260,003.01 and 140,455.99 is: 193,955.17
Step by Step Solution
- Step 1: Write the proportion equation
188,285.68 : 260,003.01 = 140,455.99 : x - Step 2: Convert to fraction form
188,285.68/260,003.01 = 140,455.99/x - Step 3: Cross multiply
188,285.68x = 260,003.01 × 140,455.99 - Step 4: Simplify right side
188,285.68x = 36,518,980,172.53 - Step 5: Solve for x
x = 36,518,980,172.53/188,285.68 - Step 6: Final answer
x = 193,955.17
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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.