Finding the Fourth Proportional to 487,658.08, 673,103.36 and 283,748.32
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Solution
The fourth proportional to 487,658.08, 673,103.36 and 283,748.32 is: 391,651.35
Step by Step Solution
- Step 1: Write the proportion equation
487,658.08 : 673,103.36 = 283,748.32 : x - Step 2: Convert to fraction form
487,658.08/673,103.36 = 283,748.32/x - Step 3: Cross multiply
487,658.08x = 673,103.36 × 283,748.32 - Step 4: Simplify right side
487,658.08x = 190,991,947,586.36 - Step 5: Solve for x
x = 190,991,947,586.36/487,658.08 - Step 6: Final answer
x = 391,651.35
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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.