Finding the Fourth Proportional to 302,503.80, 453,721.10 and 80,905.08
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Solution
The fourth proportional to 302,503.80, 453,721.10 and 80,905.08 is: 121,348.37
Step by Step Solution
- Step 1: Write the proportion equation
302,503.80 : 453,721.10 = 80,905.08 : x - Step 2: Convert to fraction form
302,503.80/453,721.10 = 80,905.08/x - Step 3: Cross multiply
302,503.80x = 453,721.10 × 80,905.08 - Step 4: Simplify right side
302,503.80x = 36,708,341,893.19 - Step 5: Solve for x
x = 36,708,341,893.19/302,503.80 - Step 6: Final answer
x = 121,348.37
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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.