Finding the Fourth Proportional to 238,929.24, 329,716.28 and 130,028.95
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Solution
The fourth proportional to 238,929.24, 329,716.28 and 130,028.95 is: 179,436.65
Step by Step Solution
- Step 1: Write the proportion equation
238,929.24 : 329,716.28 = 130,028.95 : x - Step 2: Convert to fraction form
238,929.24/329,716.28 = 130,028.95/x - Step 3: Cross multiply
238,929.24x = 329,716.28 × 130,028.95 - Step 4: Simplify right side
238,929.24x = 42,872,661,686.31 - Step 5: Solve for x
x = 42,872,661,686.31/238,929.24 - Step 6: Final answer
x = 179,436.65
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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.