Finding the Fourth Proportional to 153,040.40, 211,135.28 and 88,497.76
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Solution
The fourth proportional to 153,040.40, 211,135.28 and 88,497.76 is: 122,091.94
Step by Step Solution
- Step 1: Write the proportion equation
153,040.40 : 211,135.28 = 88,497.76 : x - Step 2: Convert to fraction form
153,040.40/211,135.28 = 88,497.76/x - Step 3: Cross multiply
153,040.40x = 211,135.28 × 88,497.76 - Step 4: Simplify right side
153,040.40x = 18,684,999,336.97 - Step 5: Solve for x
x = 18,684,999,336.97/153,040.40 - Step 6: Final answer
x = 122,091.94
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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.