Finding the Fourth Proportional to 191,658.93, 264,491.06 and 105,620.99
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Solution
The fourth proportional to 191,658.93, 264,491.06 and 105,620.99 is: 145,757.93
Step by Step Solution
- Step 1: Write the proportion equation
191,658.93 : 264,491.06 = 105,620.99 : x - Step 2: Convert to fraction form
191,658.93/264,491.06 = 105,620.99/x - Step 3: Cross multiply
191,658.93x = 264,491.06 × 105,620.99 - Step 4: Simplify right side
191,658.93x = 27,935,808,264.58 - Step 5: Solve for x
x = 27,935,808,264.58/191,658.93 - Step 6: Final answer
x = 145,757.93
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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.