Finding the Fourth Proportional to 513,102.42, 708,082.43 and 286,747.92
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Solution
The fourth proportional to 513,102.42, 708,082.43 and 286,747.92 is: 395,712.74
Step by Step Solution
- Step 1: Write the proportion equation
513,102.42 : 708,082.43 = 286,747.92 : x - Step 2: Convert to fraction form
513,102.42/708,082.43 = 286,747.92/x - Step 3: Cross multiply
513,102.42x = 708,082.43 × 286,747.92 - Step 4: Simplify right side
513,102.42x = 203,041,162,557.31 - Step 5: Solve for x
x = 203,041,162,557.31/513,102.42 - Step 6: Final answer
x = 395,712.74
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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.