Finding the Fourth Proportional to 165,641.10, 248,315.85 and 99,107.70
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Solution
The fourth proportional to 165,641.10, 248,315.85 and 99,107.70 is: 148,574.31
Step by Step Solution
- Step 1: Write the proportion equation
165,641.10 : 248,315.85 = 99,107.70 : x - Step 2: Convert to fraction form
165,641.10/248,315.85 = 99,107.70/x - Step 3: Cross multiply
165,641.10x = 248,315.85 × 99,107.70 - Step 4: Simplify right side
165,641.10x = 24,610,012,767.05 - Step 5: Solve for x
x = 24,610,012,767.05/165,641.10 - Step 6: Final answer
x = 148,574.31
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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.