Finding the Fourth Proportional to 516,881.21, 775,321.82 and 236,201.63
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Solution
The fourth proportional to 516,881.21, 775,321.82 and 236,201.63 is: 354,302.44
Step by Step Solution
- Step 1: Write the proportion equation
516,881.21 : 775,321.82 = 236,201.63 : x - Step 2: Convert to fraction form
516,881.21/775,321.82 = 236,201.63/x - Step 3: Cross multiply
516,881.21x = 775,321.82 × 236,201.63 - Step 4: Simplify right side
516,881.21x = 183,132,272,600.95 - Step 5: Solve for x
x = 183,132,272,600.95/516,881.21 - Step 6: Final answer
x = 354,302.44
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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.