Finding the Fourth Proportional to 190,821.12, 286,277.76 and 66,159.36
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Solution
The fourth proportional to 190,821.12, 286,277.76 and 66,159.36 is: 99,255.02
Step by Step Solution
- Step 1: Write the proportion equation
190,821.12 : 286,277.76 = 66,159.36 : x - Step 2: Convert to fraction form
190,821.12/286,277.76 = 66,159.36/x - Step 3: Cross multiply
190,821.12x = 286,277.76 × 66,159.36 - Step 4: Simplify right side
190,821.12x = 18,939,953,383.83 - Step 5: Solve for x
x = 18,939,953,383.83/190,821.12 - Step 6: Final answer
x = 99,255.02
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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.