Finding the Fourth Proportional to 191,564.07, 264,339.50 and 106,689.03
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Solution
The fourth proportional to 191,564.07, 264,339.50 and 106,689.03 is: 147,220.32
Step by Step Solution
- Step 1: Write the proportion equation
191,564.07 : 264,339.50 = 106,689.03 : x - Step 2: Convert to fraction form
191,564.07/264,339.50 = 106,689.03/x - Step 3: Cross multiply
191,564.07x = 264,339.50 × 106,689.03 - Step 4: Simplify right side
191,564.07x = 28,202,124,312.24 - Step 5: Solve for x
x = 28,202,124,312.24/191,564.07 - Step 6: Final answer
x = 147,220.32
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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.