Finding the Fourth Proportional to 254,150.41, 381,038.78 and 121,124.09
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Solution
The fourth proportional to 254,150.41, 381,038.78 and 121,124.09 is: 181,597.09
Step by Step Solution
- Step 1: Write the proportion equation
254,150.41 : 381,038.78 = 121,124.09 : x - Step 2: Convert to fraction form
254,150.41/381,038.78 = 121,124.09/x - Step 3: Cross multiply
254,150.41x = 381,038.78 × 121,124.09 - Step 4: Simplify right side
254,150.41x = 46,152,975,482.21 - Step 5: Solve for x
x = 46,152,975,482.21/254,150.41 - Step 6: Final answer
x = 181,597.09
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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.