Finding the Fourth Proportional to 446,102.70, 615,605.02 and 242,149.23
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Solution
The fourth proportional to 446,102.70, 615,605.02 and 242,149.23 is: 334,156.87
Step by Step Solution
- Step 1: Write the proportion equation
446,102.70 : 615,605.02 = 242,149.23 : x - Step 2: Convert to fraction form
446,102.70/615,605.02 = 242,149.23/x - Step 3: Cross multiply
446,102.70x = 615,605.02 × 242,149.23 - Step 4: Simplify right side
446,102.70x = 149,068,281,577.14 - Step 5: Solve for x
x = 149,068,281,577.14/446,102.70 - Step 6: Final answer
x = 334,156.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.