Finding the Fourth Proportional to 254,657.70, 381,549.15 and 121,250.70
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Solution
The fourth proportional to 254,657.70, 381,549.15 and 121,250.70 is: 181,667.79
Step by Step Solution
- Step 1: Write the proportion equation
254,657.70 : 381,549.15 = 121,250.70 : x - Step 2: Convert to fraction form
254,657.70/381,549.15 = 121,250.70/x - Step 3: Cross multiply
254,657.70x = 381,549.15 × 121,250.70 - Step 4: Simplify right side
254,657.70x = 46,263,101,521.91 - Step 5: Solve for x
x = 46,263,101,521.91/254,657.70 - Step 6: Final answer
x = 181,667.79
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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.