Finding the Fourth Proportional to 251,079.14, 346,488.03 and 136,356.98
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Solution
The fourth proportional to 251,079.14, 346,488.03 and 136,356.98 is: 188,171.99
Step by Step Solution
- Step 1: Write the proportion equation
251,079.14 : 346,488.03 = 136,356.98 : x - Step 2: Convert to fraction form
251,079.14/346,488.03 = 136,356.98/x - Step 3: Cross multiply
251,079.14x = 346,488.03 × 136,356.98 - Step 4: Simplify right side
251,079.14x = 47,246,061,376.95 - Step 5: Solve for x
x = 47,246,061,376.95/251,079.14 - Step 6: Final answer
x = 188,171.99
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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.