Finding the Fourth Proportional to 242,767.53, 363,218.18 and 147,980.52
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Solution
The fourth proportional to 242,767.53, 363,218.18 and 147,980.52 is: 221,401.99
Step by Step Solution
- Step 1: Write the proportion equation
242,767.53 : 363,218.18 = 147,980.52 : x - Step 2: Convert to fraction form
242,767.53/363,218.18 = 147,980.52/x - Step 3: Cross multiply
242,767.53x = 363,218.18 × 147,980.52 - Step 4: Simplify right side
242,767.53x = 53,749,214,409.95 - Step 5: Solve for x
x = 53,749,214,409.95/242,767.53 - Step 6: Final answer
x = 221,401.99
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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.