Finding the Fourth Proportional to 226,454.13, 312,503.18 and 124,477.40
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Solution
The fourth proportional to 226,454.13, 312,503.18 and 124,477.40 is: 171,776.88
Step by Step Solution
- Step 1: Write the proportion equation
226,454.13 : 312,503.18 = 124,477.40 : x - Step 2: Convert to fraction form
226,454.13/312,503.18 = 124,477.40/x - Step 3: Cross multiply
226,454.13x = 312,503.18 × 124,477.40 - Step 4: Simplify right side
226,454.13x = 38,899,583,497.00 - Step 5: Solve for x
x = 38,899,583,497.00/226,454.13 - Step 6: Final answer
x = 171,776.88
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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.