Finding the Fourth Proportional to 126,322.99, 189,319.95 and 51,355.67
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Solution
The fourth proportional to 126,322.99, 189,319.95 and 51,355.67 is: 76,966.61
Step by Step Solution
- Step 1: Write the proportion equation
126,322.99 : 189,319.95 = 51,355.67 : x - Step 2: Convert to fraction form
126,322.99/189,319.95 = 51,355.67/x - Step 3: Cross multiply
126,322.99x = 189,319.95 × 51,355.67 - Step 4: Simplify right side
126,322.99x = 9,722,651,930.02 - Step 5: Solve for x
x = 9,722,651,930.02/126,322.99 - Step 6: Final answer
x = 76,966.61
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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.