Finding the Fourth Proportional to 302,526.80, 453,790.20 and 282,843.80
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Solution
The fourth proportional to 302,526.80, 453,790.20 and 282,843.80 is: 424,265.70
Step by Step Solution
- Step 1: Write the proportion equation
302,526.80 : 453,790.20 = 282,843.80 : x - Step 2: Convert to fraction form
302,526.80/453,790.20 = 282,843.80/x - Step 3: Cross multiply
302,526.80x = 453,790.20 × 282,843.80 - Step 4: Simplify right side
302,526.80x = 128,351,744,570.76 - Step 5: Solve for x
x = 128,351,744,570.76/302,526.80 - Step 6: Final answer
x = 424,265.70
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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.