Finding the Fourth Proportional to 159,472.80, 239,209.20 and 149,631.30
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Solution
The fourth proportional to 159,472.80, 239,209.20 and 149,631.30 is: 224,446.95
Step by Step Solution
- Step 1: Write the proportion equation
159,472.80 : 239,209.20 = 149,631.30 : x - Step 2: Convert to fraction form
159,472.80/239,209.20 = 149,631.30/x - Step 3: Cross multiply
159,472.80x = 239,209.20 × 149,631.30 - Step 4: Simplify right side
159,472.80x = 35,793,183,567.96 - Step 5: Solve for x
x = 35,793,183,567.96/159,472.80 - Step 6: Final answer
x = 224,446.95
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1.5x scale
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.