Finding the Fourth Proportional to 632,120.63, 948,181.88 and 258,143.63
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Solution
The fourth proportional to 632,120.63, 948,181.88 and 258,143.63 is: 387,215.82
Step by Step Solution
- Step 1: Write the proportion equation
632,120.63 : 948,181.88 = 258,143.63 : x - Step 2: Convert to fraction form
632,120.63/948,181.88 = 258,143.63/x - Step 3: Cross multiply
632,120.63x = 948,181.88 × 258,143.63 - Step 4: Simplify right side
632,120.63x = 244,767,108,307.87 - Step 5: Solve for x
x = 244,767,108,307.87/632,120.63 - Step 6: Final answer
x = 387,215.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.