Finding the Fourth Proportional to 418,093.34, 576,959.12 and 243,652.42
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Solution
The fourth proportional to 418,093.34, 576,959.12 and 243,652.42 is: 336,234.70
Step by Step Solution
- Step 1: Write the proportion equation
418,093.34 : 576,959.12 = 243,652.42 : x - Step 2: Convert to fraction form
418,093.34/576,959.12 = 243,652.42/x - Step 3: Cross multiply
418,093.34x = 576,959.12 × 243,652.42 - Step 4: Simplify right side
418,093.34x = 140,577,486,438.20 - Step 5: Solve for x
x = 140,577,486,438.20/418,093.34 - Step 6: Final answer
x = 336,234.70
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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.