Finding the Fourth Proportional to 408,430.22, 611,391.30 and 369,939.02
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Solution
The fourth proportional to 408,430.22, 611,391.30 and 369,939.02 is: 553,772.68
Step by Step Solution
- Step 1: Write the proportion equation
408,430.22 : 611,391.30 = 369,939.02 : x - Step 2: Convert to fraction form
408,430.22/611,391.30 = 369,939.02/x - Step 3: Cross multiply
408,430.22x = 611,391.30 × 369,939.02 - Step 4: Simplify right side
408,430.22x = 226,177,498,358.53 - Step 5: Solve for x
x = 226,177,498,358.53/408,430.22 - Step 6: Final answer
x = 553,772.68
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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.