Finding the Fourth Proportional to 101,625.24, 152,437.92 and 42,428.64
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Solution
The fourth proportional to 101,625.24, 152,437.92 and 42,428.64 is: 63,642.99
Step by Step Solution
- Step 1: Write the proportion equation
101,625.24 : 152,437.92 = 42,428.64 : x - Step 2: Convert to fraction form
101,625.24/152,437.92 = 42,428.64/x - Step 3: Cross multiply
101,625.24x = 152,437.92 × 42,428.64 - Step 4: Simplify right side
101,625.24x = 6,467,733,630.03 - Step 5: Solve for x
x = 6,467,733,630.03/101,625.24 - Step 6: Final answer
x = 63,642.99
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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.