Finding the Fourth Proportional to 538,745.19, 808,121.83 and 239,145.23
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Solution
The fourth proportional to 538,745.19, 808,121.83 and 239,145.23 is: 358,719.63
Step by Step Solution
- Step 1: Write the proportion equation
538,745.19 : 808,121.83 = 239,145.23 : x - Step 2: Convert to fraction form
538,745.19/808,121.83 = 239,145.23/x - Step 3: Cross multiply
538,745.19x = 808,121.83 × 239,145.23 - Step 4: Simplify right side
538,745.19x = 193,258,476,862.76 - Step 5: Solve for x
x = 193,258,476,862.76/538,745.19 - Step 6: Final answer
x = 358,719.63
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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.