Finding the Fourth Proportional to 266,207.10, 399,113.70 and 125,801.70
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Solution
The fourth proportional to 266,207.10, 399,113.70 and 125,801.70 is: 188,609.48
Step by Step Solution
- Step 1: Write the proportion equation
266,207.10 : 399,113.70 = 125,801.70 : x - Step 2: Convert to fraction form
266,207.10/399,113.70 = 125,801.70/x - Step 3: Cross multiply
266,207.10x = 399,113.70 × 125,801.70 - Step 4: Simplify right side
266,207.10x = 50,209,181,953.29 - Step 5: Solve for x
x = 50,209,181,953.29/266,207.10 - Step 6: Final answer
x = 188,609.48
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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.