Finding the Fourth Proportional to 111,023.41, 153,208.51 and 63,292.14
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Solution
The fourth proportional to 111,023.41, 153,208.51 and 63,292.14 is: 87,340.99
Step by Step Solution
- Step 1: Write the proportion equation
111,023.41 : 153,208.51 = 63,292.14 : x - Step 2: Convert to fraction form
111,023.41/153,208.51 = 63,292.14/x - Step 3: Cross multiply
111,023.41x = 153,208.51 × 63,292.14 - Step 4: Simplify right side
111,023.41x = 9,696,894,464.11 - Step 5: Solve for x
x = 9,696,894,464.11/111,023.41 - Step 6: Final answer
x = 87,340.99
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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.