Finding the Fourth Proportional to 254,623.36, 381,353.28 and 121,596.76
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Solution
The fourth proportional to 254,623.36, 381,353.28 and 121,596.76 is: 182,117.32
Step by Step Solution
- Step 1: Write the proportion equation
254,623.36 : 381,353.28 = 121,596.76 : x - Step 2: Convert to fraction form
254,623.36/381,353.28 = 121,596.76/x - Step 3: Cross multiply
254,623.36x = 381,353.28 × 121,596.76 - Step 4: Simplify right side
254,623.36x = 46,371,323,263.37 - Step 5: Solve for x
x = 46,371,323,263.37/254,623.36 - Step 6: Final answer
x = 182,117.32
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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.