Finding the Fourth Proportional to 251,251.38, 346,729.08 and 136,530.02
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Solution
The fourth proportional to 251,251.38, 346,729.08 and 136,530.02 is: 188,412.61
Step by Step Solution
- Step 1: Write the proportion equation
251,251.38 : 346,729.08 = 136,530.02 : x - Step 2: Convert to fraction form
251,251.38/346,729.08 = 136,530.02/x - Step 3: Cross multiply
251,251.38x = 346,729.08 × 136,530.02 - Step 4: Simplify right side
251,251.38x = 47,338,928,226.98 - Step 5: Solve for x
x = 47,338,928,226.98/251,251.38 - Step 6: Final answer
x = 188,412.61
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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.