Finding the Fourth Proportional to 101,982.17, 152,920.73 and 45,774.09
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Solution
The fourth proportional to 101,982.17, 152,920.73 and 45,774.09 is: 68,637.56
Step by Step Solution
- Step 1: Write the proportion equation
101,982.17 : 152,920.73 = 45,774.09 : x - Step 2: Convert to fraction form
101,982.17/152,920.73 = 45,774.09/x - Step 3: Cross multiply
101,982.17x = 152,920.73 × 45,774.09 - Step 4: Simplify right side
101,982.17x = 6,999,807,029.02 - Step 5: Solve for x
x = 6,999,807,029.02/101,982.17 - Step 6: Final answer
x = 68,637.56
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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.