Finding the Fourth Proportional to 202,315.70, 302,890.35 and 202,315.70
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Solution
The fourth proportional to 202,315.70, 302,890.35 and 202,315.70 is: 302,890.35
Step by Step Solution
- Step 1: Write the proportion equation
202,315.70 : 302,890.35 = 202,315.70 : x - Step 2: Convert to fraction form
202,315.70/302,890.35 = 202,315.70/x - Step 3: Cross multiply
202,315.70x = 302,890.35 × 202,315.70 - Step 4: Simplify right side
202,315.70x = 61,279,473,183.50 - Step 5: Solve for x
x = 61,279,473,183.50/202,315.70 - Step 6: Final answer
x = 302,890.35
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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.