Finding the Fourth Proportional to 168,038.10, 252,057.15 and 155,207.70
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Solution
The fourth proportional to 168,038.10, 252,057.15 and 155,207.70 is: 232,811.55
Step by Step Solution
- Step 1: Write the proportion equation
168,038.10 : 252,057.15 = 155,207.70 : x - Step 2: Convert to fraction form
168,038.10/252,057.15 = 155,207.70/x - Step 3: Cross multiply
168,038.10x = 252,057.15 × 155,207.70 - Step 4: Simplify right side
168,038.10x = 39,121,210,520.06 - Step 5: Solve for x
x = 39,121,210,520.06/168,038.10 - Step 6: Final answer
x = 232,811.55
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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.