Finding the Fourth Proportional to 186,594.79, 257,491.09 and 106,011.13
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Solution
The fourth proportional to 186,594.79, 257,491.09 and 106,011.13 is: 146,289.84
Step by Step Solution
- Step 1: Write the proportion equation
186,594.79 : 257,491.09 = 106,011.13 : x - Step 2: Convert to fraction form
186,594.79/257,491.09 = 106,011.13/x - Step 3: Cross multiply
186,594.79x = 257,491.09 × 106,011.13 - Step 4: Simplify right side
186,594.79x = 27,296,921,415.83 - Step 5: Solve for x
x = 27,296,921,415.83/186,594.79 - Step 6: Final answer
x = 146,289.84
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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.