Finding the Fourth Proportional to 161,433.99, 222,888.65 and 101,029.05
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Solution
The fourth proportional to 161,433.99, 222,888.65 and 101,029.05 is: 139,488.77
Step by Step Solution
- Step 1: Write the proportion equation
161,433.99 : 222,888.65 = 101,029.05 : x - Step 2: Convert to fraction form
161,433.99/222,888.65 = 101,029.05/x - Step 3: Cross multiply
161,433.99x = 222,888.65 × 101,029.05 - Step 4: Simplify right side
161,433.99x = 22,518,228,060.14 - Step 5: Solve for x
x = 22,518,228,060.14/161,433.99 - Step 6: Final answer
x = 139,488.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.