Finding the Fourth Proportional to 185,260.59, 277,896.56 and 128,278.71
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Solution
The fourth proportional to 185,260.59, 277,896.56 and 128,278.71 is: 192,421.99
Step by Step Solution
- Step 1: Write the proportion equation
185,260.59 : 277,896.56 = 128,278.71 : x - Step 2: Convert to fraction form
185,260.59/277,896.56 = 128,278.71/x - Step 3: Cross multiply
185,260.59x = 277,896.56 × 128,278.71 - Step 4: Simplify right side
185,260.59x = 35,648,211,588.84 - Step 5: Solve for x
x = 35,648,211,588.84/185,260.59 - Step 6: Final answer
x = 192,421.99
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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.