Finding the Fourth Proportional to 254,455.95, 381,102.62 and 121,429.65
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Solution
The fourth proportional to 254,455.95, 381,102.62 and 121,429.65 is: 181,867.07
Step by Step Solution
- Step 1: Write the proportion equation
254,455.95 : 381,102.62 = 121,429.65 : x - Step 2: Convert to fraction form
254,455.95/381,102.62 = 121,429.65/x - Step 3: Cross multiply
254,455.95x = 381,102.62 × 121,429.65 - Step 4: Simplify right side
254,455.95x = 46,277,157,153.53 - Step 5: Solve for x
x = 46,277,157,153.53/254,455.95 - Step 6: Final answer
x = 181,867.07
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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.