Finding the Fourth Proportional to 238,115.08, 328,618.97 and 130,703.30
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Solution
The fourth proportional to 238,115.08, 328,618.97 and 130,703.30 is: 180,381.62
Step by Step Solution
- Step 1: Write the proportion equation
238,115.08 : 328,618.97 = 130,703.30 : x - Step 2: Convert to fraction form
238,115.08/328,618.97 = 130,703.30/x - Step 3: Cross multiply
238,115.08x = 328,618.97 × 130,703.30 - Step 4: Simplify right side
238,115.08x = 42,951,583,168.08 - Step 5: Solve for x
x = 42,951,583,168.08/238,115.08 - Step 6: Final answer
x = 180,381.62
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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.