Finding the Fourth Proportional to 402,412.53, 603,618.91 and 149,660.00
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Solution
The fourth proportional to 402,412.53, 603,618.91 and 149,660.00 is: 224,490.03
Step by Step Solution
- Step 1: Write the proportion equation
402,412.53 : 603,618.91 = 149,660.00 : x - Step 2: Convert to fraction form
402,412.53/603,618.91 = 149,660.00/x - Step 3: Cross multiply
402,412.53x = 603,618.91 × 149,660.00 - Step 4: Simplify right side
402,412.53x = 90,337,602,678.36 - Step 5: Solve for x
x = 90,337,602,678.36/402,412.53 - Step 6: Final answer
x = 224,490.03
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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.