Finding the Fourth Proportional to 242,278.52, 334,202.64 and 157,452.08
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Solution
The fourth proportional to 242,278.52, 334,202.64 and 157,452.08 is: 217,191.77
Step by Step Solution
- Step 1: Write the proportion equation
242,278.52 : 334,202.64 = 157,452.08 : x - Step 2: Convert to fraction form
242,278.52/334,202.64 = 157,452.08/x - Step 3: Cross multiply
242,278.52x = 334,202.64 × 157,452.08 - Step 4: Simplify right side
242,278.52x = 52,620,900,809.49 - Step 5: Solve for x
x = 52,620,900,809.49/242,278.52 - Step 6: Final answer
x = 217,191.77
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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.