Finding the Fourth Proportional to 558,390.24, 770,166.09 and 354,265.38
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Solution
The fourth proportional to 558,390.24, 770,166.09 and 354,265.38 is: 488,624.56
Step by Step Solution
- Step 1: Write the proportion equation
558,390.24 : 770,166.09 = 354,265.38 : x - Step 2: Convert to fraction form
558,390.24/770,166.09 = 354,265.38/x - Step 3: Cross multiply
558,390.24x = 770,166.09 × 354,265.38 - Step 4: Simplify right side
558,390.24x = 272,843,182,536.96 - Step 5: Solve for x
x = 272,843,182,536.96/558,390.24 - Step 6: Final answer
x = 488,624.56
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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.