Finding the Fourth Proportional to 351,929.48, 485,665.17 and 190,787.06
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Solution
The fourth proportional to 351,929.48, 485,665.17 and 190,787.06 is: 263,287.50
Step by Step Solution
- Step 1: Write the proportion equation
351,929.48 : 485,665.17 = 190,787.06 : x - Step 2: Convert to fraction form
351,929.48/485,665.17 = 190,787.06/x - Step 3: Cross multiply
351,929.48x = 485,665.17 × 190,787.06 - Step 4: Simplify right side
351,929.48x = 92,658,630,427.41 - Step 5: Solve for x
x = 92,658,630,427.41/351,929.48 - Step 6: Final answer
x = 263,287.50
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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.