Finding the Fourth Proportional to 238,071.24, 328,537.41 and 130,643.07
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Solution
The fourth proportional to 238,071.24, 328,537.41 and 130,643.07 is: 180,286.94
Step by Step Solution
- Step 1: Write the proportion equation
238,071.24 : 328,537.41 = 130,643.07 : x - Step 2: Convert to fraction form
238,071.24/328,537.41 = 130,643.07/x - Step 3: Cross multiply
238,071.24x = 328,537.41 × 130,643.07 - Step 4: Simplify right side
238,071.24x = 42,921,135,852.25 - Step 5: Solve for x
x = 42,921,135,852.25/238,071.24 - Step 6: Final answer
x = 180,286.94
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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.