Finding the Fourth Proportional to 495,157.85, 742,787.10 and 170,903.75
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Solution
The fourth proportional to 495,157.85, 742,787.10 and 170,903.75 is: 256,372.99
Step by Step Solution
- Step 1: Write the proportion equation
495,157.85 : 742,787.10 = 170,903.75 : x - Step 2: Convert to fraction form
495,157.85/742,787.10 = 170,903.75/x - Step 3: Cross multiply
495,157.85x = 742,787.10 × 170,903.75 - Step 4: Simplify right side
495,157.85x = 126,945,097,127.69 - Step 5: Solve for x
x = 126,945,097,127.69/495,157.85 - Step 6: Final answer
x = 256,372.99
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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.