Finding the Fourth Proportional to 240,470.36, 331,855.26 and 144,983.18
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Solution
The fourth proportional to 240,470.36, 331,855.26 and 144,983.18 is: 200,080.50
Step by Step Solution
- Step 1: Write the proportion equation
240,470.36 : 331,855.26 = 144,983.18 : x - Step 2: Convert to fraction form
240,470.36/331,855.26 = 144,983.18/x - Step 3: Cross multiply
240,470.36x = 331,855.26 × 144,983.18 - Step 4: Simplify right side
240,470.36x = 48,113,430,894.53 - Step 5: Solve for x
x = 48,113,430,894.53/240,470.36 - Step 6: Final answer
x = 200,080.50
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1.5x scale
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.