Finding the Fourth Proportional to 302,456.80, 453,685.20 and 297,791.20
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Solution
The fourth proportional to 302,456.80, 453,685.20 and 297,791.20 is: 446,686.80
Step by Step Solution
- Step 1: Write the proportion equation
302,456.80 : 453,685.20 = 297,791.20 : x - Step 2: Convert to fraction form
302,456.80/453,685.20 = 297,791.20/x - Step 3: Cross multiply
302,456.80x = 453,685.20 × 297,791.20 - Step 4: Simplify right side
302,456.80x = 135,103,460,130.24 - Step 5: Solve for x
x = 135,103,460,130.24/302,456.80 - Step 6: Final answer
x = 446,686.80
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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.