Finding the Fourth Proportional to 251,279.10, 376,918.65 and 239,615.10
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Solution
The fourth proportional to 251,279.10, 376,918.65 and 239,615.10 is: 359,422.65
Step by Step Solution
- Step 1: Write the proportion equation
251,279.10 : 376,918.65 = 239,615.10 : x - Step 2: Convert to fraction form
251,279.10/376,918.65 = 239,615.10/x - Step 3: Cross multiply
251,279.10x = 376,918.65 × 239,615.10 - Step 4: Simplify right side
251,279.10x = 90,315,400,011.62 - Step 5: Solve for x
x = 90,315,400,011.62/251,279.10 - Step 6: Final answer
x = 359,422.65
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1.5x scale
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.