Finding the Fourth Proportional to 416,967.77, 575,400.05 and 225,977.06
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Solution
The fourth proportional to 416,967.77, 575,400.05 and 225,977.06 is: 311,839.95
Step by Step Solution
- Step 1: Write the proportion equation
416,967.77 : 575,400.05 = 225,977.06 : x - Step 2: Convert to fraction form
416,967.77/575,400.05 = 225,977.06/x - Step 3: Cross multiply
416,967.77x = 575,400.05 × 225,977.06 - Step 4: Simplify right side
416,967.77x = 130,027,207,615.97 - Step 5: Solve for x
x = 130,027,207,615.97/416,967.77 - Step 6: Final answer
x = 311,839.95
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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.