Finding the Fourth Proportional to 513,372.21, 708,169.23 and 298,488.52
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Solution
The fourth proportional to 513,372.21, 708,169.23 and 298,488.52 is: 411,748.79
Step by Step Solution
- Step 1: Write the proportion equation
513,372.21 : 708,169.23 = 298,488.52 : x - Step 2: Convert to fraction form
513,372.21/708,169.23 = 298,488.52/x - Step 3: Cross multiply
513,372.21x = 708,169.23 × 298,488.52 - Step 4: Simplify right side
513,372.21x = 211,380,385,372.24 - Step 5: Solve for x
x = 211,380,385,372.24/513,372.21 - Step 6: Final answer
x = 411,748.79
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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.