Finding the Fourth Proportional to 513,169.46, 708,161.62 and 286,836.02
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Solution
The fourth proportional to 513,169.46, 708,161.62 and 286,836.02 is: 395,826.86
Step by Step Solution
- Step 1: Write the proportion equation
513,169.46 : 708,161.62 = 286,836.02 : x - Step 2: Convert to fraction form
513,169.46/708,161.62 = 286,836.02/x - Step 3: Cross multiply
513,169.46x = 708,161.62 × 286,836.02 - Step 4: Simplify right side
513,169.46x = 203,126,255,622.56 - Step 5: Solve for x
x = 203,126,255,622.56/513,169.46 - Step 6: Final answer
x = 395,826.86
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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.