Finding the Fourth Proportional to 158,011.11, 218,051.15 and 93,483.68
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Solution
The fourth proportional to 158,011.11, 218,051.15 and 93,483.68 is: 129,004.99
Step by Step Solution
- Step 1: Write the proportion equation
158,011.11 : 218,051.15 = 93,483.68 : x - Step 2: Convert to fraction form
158,011.11/218,051.15 = 93,483.68/x - Step 3: Cross multiply
158,011.11x = 218,051.15 × 93,483.68 - Step 4: Simplify right side
158,011.11x = 20,384,222,372.56 - Step 5: Solve for x
x = 20,384,222,372.56/158,011.11 - Step 6: Final answer
x = 129,004.99
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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.