Finding the Fourth Proportional to 462,721.24, 638,587.85 and 258,791.14
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Solution
The fourth proportional to 462,721.24, 638,587.85 and 258,791.14 is: 357,149.96
Step by Step Solution
- Step 1: Write the proportion equation
462,721.24 : 638,587.85 = 258,791.14 : x - Step 2: Convert to fraction form
462,721.24/638,587.85 = 258,791.14/x - Step 3: Cross multiply
462,721.24x = 638,587.85 × 258,791.14 - Step 4: Simplify right side
462,721.24x = 165,260,875,059.57 - Step 5: Solve for x
x = 165,260,875,059.57/462,721.24 - Step 6: Final answer
x = 357,149.96
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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.