Finding the Fourth Proportional to 151,027.24, 208,422.12 and 83,040.70
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Solution
The fourth proportional to 151,027.24, 208,422.12 and 83,040.70 is: 114,598.66
Step by Step Solution
- Step 1: Write the proportion equation
151,027.24 : 208,422.12 = 83,040.70 : x - Step 2: Convert to fraction form
151,027.24/208,422.12 = 83,040.70/x - Step 3: Cross multiply
151,027.24x = 208,422.12 × 83,040.70 - Step 4: Simplify right side
151,027.24x = 17,307,518,740.28 - Step 5: Solve for x
x = 17,307,518,740.28/151,027.24 - Step 6: Final answer
x = 114,598.66
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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.