Finding the Fourth Proportional to 266,902.70, 368,289.45 and 159,449.99
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Solution
The fourth proportional to 266,902.70, 368,289.45 and 159,449.99 is: 220,019.31
Step by Step Solution
- Step 1: Write the proportion equation
266,902.70 : 368,289.45 = 159,449.99 : x - Step 2: Convert to fraction form
266,902.70/368,289.45 = 159,449.99/x - Step 3: Cross multiply
266,902.70x = 368,289.45 × 159,449.99 - Step 4: Simplify right side
266,902.70x = 58,723,747,278.16 - Step 5: Solve for x
x = 58,723,747,278.16/266,902.70 - Step 6: Final answer
x = 220,019.31
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1.5x scale
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.