Finding the Fourth Proportional to 178,477.71, 246,283.61 and 101,981.58
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Solution
The fourth proportional to 178,477.71, 246,283.61 and 101,981.58 is: 140,725.65
Step by Step Solution
- Step 1: Write the proportion equation
178,477.71 : 246,283.61 = 101,981.58 : x - Step 2: Convert to fraction form
178,477.71/246,283.61 = 101,981.58/x - Step 3: Cross multiply
178,477.71x = 246,283.61 × 101,981.58 - Step 4: Simplify right side
178,477.71x = 25,116,391,166.00 - Step 5: Solve for x
x = 25,116,391,166.00/178,477.71 - Step 6: Final answer
x = 140,725.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.