Finding the Fourth Proportional to 101,987.10, 152,921.25 and 39,584.70
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Solution
The fourth proportional to 101,987.10, 152,921.25 and 39,584.70 is: 59,353.99
Step by Step Solution
- Step 1: Write the proportion equation
101,987.10 : 152,921.25 = 39,584.70 : x - Step 2: Convert to fraction form
101,987.10/152,921.25 = 39,584.70/x - Step 3: Cross multiply
101,987.10x = 152,921.25 × 39,584.70 - Step 4: Simplify right side
101,987.10x = 6,053,341,804.88 - Step 5: Solve for x
x = 6,053,341,804.88/101,987.10 - Step 6: Final answer
x = 59,353.99
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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.