Finding the Fourth Proportional to 185,581.19, 278,511.72 and 135,789.74
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Solution
The fourth proportional to 185,581.19, 278,511.72 and 135,789.74 is: 203,787.00
Step by Step Solution
- Step 1: Write the proportion equation
185,581.19 : 278,511.72 = 135,789.74 : x - Step 2: Convert to fraction form
185,581.19/278,511.72 = 135,789.74/x - Step 3: Cross multiply
185,581.19x = 278,511.72 × 135,789.74 - Step 4: Simplify right side
185,581.19x = 37,819,032,653.19 - Step 5: Solve for x
x = 37,819,032,653.19/185,581.19 - Step 6: Final answer
x = 203,787.00
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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.