Finding the Fourth Proportional to 453,014.20, 679,525.38 and 137,471.09
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Solution
The fourth proportional to 453,014.20, 679,525.38 and 137,471.09 is: 206,207.87
Step by Step Solution
- Step 1: Write the proportion equation
453,014.20 : 679,525.38 = 137,471.09 : x - Step 2: Convert to fraction form
453,014.20/679,525.38 = 137,471.09/x - Step 3: Cross multiply
453,014.20x = 679,525.38 × 137,471.09 - Step 4: Simplify right side
453,014.20x = 93,415,094,671.26 - Step 5: Solve for x
x = 93,415,094,671.26/453,014.20 - Step 6: Final answer
x = 206,207.87
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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.