Finding the Fourth Proportional to 561,475.26, 842,220.18 and 187,498.26
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Solution
The fourth proportional to 561,475.26, 842,220.18 and 187,498.26 is: 281,249.82
Step by Step Solution
- Step 1: Write the proportion equation
561,475.26 : 842,220.18 = 187,498.26 : x - Step 2: Convert to fraction form
561,475.26/842,220.18 = 187,498.26/x - Step 3: Cross multiply
561,475.26x = 842,220.18 × 187,498.26 - Step 4: Simplify right side
561,475.26x = 157,914,818,286.89 - Step 5: Solve for x
x = 157,914,818,286.89/561,475.26 - Step 6: Final answer
x = 281,249.82
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1.5x scale
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.