Finding the Fourth Proportional to 226,299.77, 312,299.19 and 124,331.84
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Solution
The fourth proportional to 226,299.77, 312,299.19 and 124,331.84 is: 171,580.95
Step by Step Solution
- Step 1: Write the proportion equation
226,299.77 : 312,299.19 = 124,331.84 : x - Step 2: Convert to fraction form
226,299.77/312,299.19 = 124,331.84/x - Step 3: Cross multiply
226,299.77x = 312,299.19 × 124,331.84 - Step 4: Simplify right side
226,299.77x = 38,828,731,304.81 - Step 5: Solve for x
x = 38,828,731,304.81/226,299.77 - Step 6: Final answer
x = 171,580.95
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1.5x scale
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.