Finding the Fourth Proportional to 297,909.10, 446,863.65 and 203,430.70
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Solution
The fourth proportional to 297,909.10, 446,863.65 and 203,430.70 is: 305,146.05
Step by Step Solution
- Step 1: Write the proportion equation
297,909.10 : 446,863.65 = 203,430.70 : x - Step 2: Convert to fraction form
297,909.10/446,863.65 = 203,430.70/x - Step 3: Cross multiply
297,909.10x = 446,863.65 × 203,430.70 - Step 4: Simplify right side
297,909.10x = 90,905,785,124.06 - Step 5: Solve for x
x = 90,905,785,124.06/297,909.10 - Step 6: Final answer
x = 305,146.05
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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.