Finding the Fourth Proportional to 494,711.36, 742,108.48 and 157,800.32
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Solution
The fourth proportional to 494,711.36, 742,108.48 and 157,800.32 is: 236,713.70
Step by Step Solution
- Step 1: Write the proportion equation
494,711.36 : 742,108.48 = 157,800.32 : x - Step 2: Convert to fraction form
494,711.36/742,108.48 = 157,800.32/x - Step 3: Cross multiply
494,711.36x = 742,108.48 × 157,800.32 - Step 4: Simplify right side
494,711.36x = 117,104,955,618.71 - Step 5: Solve for x
x = 117,104,955,618.71/494,711.36 - Step 6: Final answer
x = 236,713.70
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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.