Finding the Fourth Proportional to 183,819.21, 253,671.53 and 103,246.76
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Solution
The fourth proportional to 183,819.21, 253,671.53 and 103,246.76 is: 142,481.09
Step by Step Solution
- Step 1: Write the proportion equation
183,819.21 : 253,671.53 = 103,246.76 : x - Step 2: Convert to fraction form
183,819.21/253,671.53 = 103,246.76/x - Step 3: Cross multiply
183,819.21x = 253,671.53 × 103,246.76 - Step 4: Simplify right side
183,819.21x = 26,190,761,792.15 - Step 5: Solve for x
x = 26,190,761,792.15/183,819.21 - Step 6: Final answer
x = 142,481.09
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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.