Finding the Fourth Proportional to 238,285.08, 328,820.58 and 136,312.56
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Solution
The fourth proportional to 238,285.08, 328,820.58 and 136,312.56 is: 188,103.99
Step by Step Solution
- Step 1: Write the proportion equation
238,285.08 : 328,820.58 = 136,312.56 : x - Step 2: Convert to fraction form
238,285.08/328,820.58 = 136,312.56/x - Step 3: Cross multiply
238,285.08x = 328,820.58 × 136,312.56 - Step 4: Simplify right side
238,285.08x = 44,822,375,040.48 - Step 5: Solve for x
x = 44,822,375,040.48/238,285.08 - Step 6: Final answer
x = 188,103.99
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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.