Finding the Fourth Proportional to 238,277.21, 328,820.84 and 130,845.08
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Solution
The fourth proportional to 238,277.21, 328,820.84 and 130,845.08 is: 180,565.27
Step by Step Solution
- Step 1: Write the proportion equation
238,277.21 : 328,820.84 = 130,845.08 : x - Step 2: Convert to fraction form
238,277.21/328,820.84 = 130,845.08/x - Step 3: Cross multiply
238,277.21x = 328,820.84 × 130,845.08 - Step 4: Simplify right side
238,277.21x = 43,024,589,115.47 - Step 5: Solve for x
x = 43,024,589,115.47/238,277.21 - Step 6: Final answer
x = 180,565.27
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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.