Finding the Fourth Proportional to 251,113.81, 346,539.58 and 136,394.70
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Solution
The fourth proportional to 251,113.81, 346,539.58 and 136,394.70 is: 188,226.06
Step by Step Solution
- Step 1: Write the proportion equation
251,113.81 : 346,539.58 = 136,394.70 : x - Step 2: Convert to fraction form
251,113.81/346,539.58 = 136,394.70/x - Step 3: Cross multiply
251,113.81x = 346,539.58 × 136,394.70 - Step 4: Simplify right side
251,113.81x = 47,266,161,711.24 - Step 5: Solve for x
x = 47,266,161,711.24/251,113.81 - Step 6: Final answer
x = 188,226.06
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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.