Finding the Fourth Proportional to 355,894.55, 491,134.47 and 194,749.62
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Solution
The fourth proportional to 355,894.55, 491,134.47 and 194,749.62 is: 268,754.46
Step by Step Solution
- Step 1: Write the proportion equation
355,894.55 : 491,134.47 = 194,749.62 : x - Step 2: Convert to fraction form
355,894.55/491,134.47 = 194,749.62/x - Step 3: Cross multiply
355,894.55x = 491,134.47 × 194,749.62 - Step 4: Simplify right side
355,894.55x = 95,648,248,829.34 - Step 5: Solve for x
x = 95,648,248,829.34/355,894.55 - Step 6: Final answer
x = 268,754.46
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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.