Finding the Fourth Proportional to 254,149.41, 381,037.28 and 121,123.09
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Solution
The fourth proportional to 254,149.41, 381,037.28 and 121,123.09 is: 181,595.59
Step by Step Solution
- Step 1: Write the proportion equation
254,149.41 : 381,037.28 = 121,123.09 : x - Step 2: Convert to fraction form
254,149.41/381,037.28 = 121,123.09/x - Step 3: Cross multiply
254,149.41x = 381,037.28 × 121,123.09 - Step 4: Simplify right side
254,149.41x = 46,152,412,109.01 - Step 5: Solve for x
x = 46,152,412,109.01/254,149.41 - Step 6: Final answer
x = 181,595.59
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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.