Finding the Fourth Proportional to 302,555.70, 436,240.08 and 302,555.70
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Solution
The fourth proportional to 302,555.70, 436,240.08 and 302,555.70 is: 436,240.08
Step by Step Solution
- Step 1: Write the proportion equation
302,555.70 : 436,240.08 = 302,555.70 : x - Step 2: Convert to fraction form
302,555.70/436,240.08 = 302,555.70/x - Step 3: Cross multiply
302,555.70x = 436,240.08 × 302,555.70 - Step 4: Simplify right side
302,555.70x = 131,986,922,772.46 - Step 5: Solve for x
x = 131,986,922,772.46/302,555.70 - Step 6: Final answer
x = 436,240.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.