Finding the Fourth Proportional to 141,283.29, 211,925.04 and 88,729.68
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Solution
The fourth proportional to 141,283.29, 211,925.04 and 88,729.68 is: 133,094.59
Step by Step Solution
- Step 1: Write the proportion equation
141,283.29 : 211,925.04 = 88,729.68 : x - Step 2: Convert to fraction form
141,283.29/211,925.04 = 88,729.68/x - Step 3: Cross multiply
141,283.29x = 211,925.04 × 88,729.68 - Step 4: Simplify right side
141,283.29x = 18,804,040,983.19 - Step 5: Solve for x
x = 18,804,040,983.19/141,283.29 - Step 6: Final answer
x = 133,094.59
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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.