Finding the Fourth Proportional to 251,081.14, 346,490.79 and 136,358.98
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Solution
The fourth proportional to 251,081.14, 346,490.79 and 136,358.98 is: 188,174.75
Step by Step Solution
- Step 1: Write the proportion equation
251,081.14 : 346,490.79 = 136,358.98 : x - Step 2: Convert to fraction form
251,081.14/346,490.79 = 136,358.98/x - Step 3: Cross multiply
251,081.14x = 346,490.79 × 136,358.98 - Step 4: Simplify right side
251,081.14x = 47,247,130,703.79 - Step 5: Solve for x
x = 47,247,130,703.79/251,081.14 - Step 6: Final answer
x = 188,174.75
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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.