Finding the Fourth Proportional to 302,446.80, 453,670.20 and 297,781.20
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Solution
The fourth proportional to 302,446.80, 453,670.20 and 297,781.20 is: 446,671.80
Step by Step Solution
- Step 1: Write the proportion equation
302,446.80 : 453,670.20 = 297,781.20 : x - Step 2: Convert to fraction form
302,446.80/453,670.20 = 297,781.20/x - Step 3: Cross multiply
302,446.80x = 453,670.20 × 297,781.20 - Step 4: Simplify right side
302,446.80x = 135,094,456,560.24 - Step 5: Solve for x
x = 135,094,456,560.24/302,446.80 - Step 6: Final answer
x = 446,671.80
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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.