Finding the Fourth Proportional to 299,787.76, 413,730.70 and 170,731.68
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Solution
The fourth proportional to 299,787.76, 413,730.70 and 170,731.68 is: 235,623.15
Step by Step Solution
- Step 1: Write the proportion equation
299,787.76 : 413,730.70 = 170,731.68 : x - Step 2: Convert to fraction form
299,787.76/413,730.70 = 170,731.68/x - Step 3: Cross multiply
299,787.76x = 413,730.70 × 170,731.68 - Step 4: Simplify right side
299,787.76x = 70,636,937,478.58 - Step 5: Solve for x
x = 70,636,937,478.58/299,787.76 - Step 6: Final answer
x = 235,623.15
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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.